Pentax 645NII Manual
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Side 1/98
OPERATING MANUAL
Welcome to the Fantastic World of Pentax
Autofocus Multi-Mode Medium Format
Photography
The Pentax 645N
2
, our latest development in the
area of the medium format SLR, promises a
superior 6 x 4.5cm result with 120, 220, or
70mm film.
Made possible through our vast experience and
technology accumulated over the years, the
new autofocus multi-mode 645N
2
assures pin-
sharp focus accuracy with AF Spot and AF Wide
selection, and the 6-segment multi-pattern
metering allows precise exposure control under
widely varying conditions. Unsurpassed versa-
tility is assured through the utilizing of a full
range of exposure modes (Programmed AE,
Aperture-Priority AE and Shutter-Priority AE,
Metered Manual and TTL auto flash control), an
exposure compensation control and auto-brack-
eting mode and a new user-set Pentax Function
to customize the 645N
2
to meet the for user’s
shooting preferences.
Lenses and accessories produced by other manu-
facturers are not made to our precise specifications
and therefore may cause difficulties with or actual
damage to your Pentax camera. We do not assume
any responsibility or liability for difficulties resulting
from the use of lenses and accessories made by
other manufacturers.
With a 645 A- or FA lens attached, the 645N
2
imprints relevant information (frame number,
shutter speed, aperture setting, exposure con-
trol and auto-bracketing mode.
The Pentax 645N
2
is a professional camera pos-
sessing a number of highly sophisticated fea-
tures: built-in automated film wind, an external
LCD information panel and clearly visible LCD
information in the viewfinder.
TABLE OF CONTENTS 1
LCD panel indication..............................................3
Viewfinder indication ..............................................3
Names of working parts .....................................4, 5
Safe use of your camera........................................6
Precautions for your camera..................................8
Precautions for battery usage................................9
I. BASIC OPERATION (PREPARATION) ...10 - 28
Attaching the camera strap ..................................11
Loading the batteries ...........................................12
Turning on the power ...........................................14
• When the batteries are exhausted ................15
Attaching the lens ................................................16
Attaching/Detaching the film holder 645 ..............18
Depressing the shutter release button.................20
Film loading..........................................................20
Setting the film speed (ISO) ...............................24
Unloading the film ................................................25
Unloading the film in mid-roll ...............................26
Installing the eyecup ............................................27
Adjusting the viewfinder diopter...........................28
II. BASIC OPERATION (SHOOTING) ........29 - 37
Using the Programmed AE Mode ........................30
Using the Multi (6) - segment metering mode .....31
Using the autofocus mode ...................................32
Using the Single AF Mode ...................................33
Using the 3-point AF mode ..................................34
Using the Single-Frame Drive Mode....................34
Holding the camera..............................................35
Taking a picture....................................................36
2
III. ADVANCED OPERATION ......................38 - 83
Selecting a Drive Mode........................................38
• Consecutive - Frame Mode...........................38
• Self-Timer Mode............................................39
Taking multi-exposure pictures ............................40
Selecting an Exposure Mode...............................42
• Using the Programmed AE Mode .................42
• Using the Aperture-Priority AE Mode ............44
• Using the Shutter-Priority AE Mode ..............46
• Using the Metered Manual Mode..................48
• Using the Bulb Exposure Mode ....................50
About Exposure Compensation ...........................52
Using the Auto Bracketing Mode .........................53
Switching the Metering Mode ..............................55
• Center-weighted Metering Mode...................55
• Spot Metering Mode......................................56
Using the AE Lock ...............................................57
Setting the focus mode in the Continuous
position. ...............................................................58
Using the Spot AF Mode......................................59
Focus Lock Function............................................60
Manual focusing...................................................61
Imprinting the exposure data on the negative .....64
Using a Pentax Dedicated External Flash ...........68
Daylight-sync shooting.........................................72
Slow-speed-sync shooting ...................................73
Using the preview lever .......................................74
Mirror lock-up .......................................................75
Pentax Function ...................................................76
Accessories (Optional) ........................................83
• Interchangeable focusing screens ................84
IV. OTHERS..................................................86 - 92
Troubleshooting ...................................................86
Specifications .......................................................88
Warranty policy ....................................................90
LCD PANEL INDICATION VIEWFINDER INDICATION
3
: Frame Counter (p.22)
: Film Speed Information (p.24)
ISO : Film Status Information (p.24)
: Battery Exhaustion Warning (p.15)
: Imprinting Exposure Data Information (p.64)
LCD (Liquid-Crystal Display)
When the LCD is exposed to high temperatures over
approximately 60°C it may blacken, but when the temper-
ature normalizes, it should return to normal.
D
DISO
: 3-point AF Frame (p.34)
: Spot Metering / Focusing Area (p.56, 59)
: Shutter Speed (p.42, 45, 47, 49)
: Aperture Value (p.42, 45, 47, 49)
: Flash Status Information (p.68)
: In-Focus Indicator (p.36)
: Exposure Compensation (p.52)
: Bar Graph (p.49, 52)
: AE lock (p.57)
NAMES OF WORKING PARTS
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
qAF mode selector (p.33, 58)
wExposure compensation dial (p.52)
eExposure compensation dial release button
(p.52)
rAuto bracketing selector (p.53)
tHotshoe (p.68)
yShutter speed dial release button
uLens information contacts
iLens unlock button (p.16)
oPreview lever (p.74)
!0 Drive mode selector (p.34, 38, 39)
!1 Shutter release button (p.20)
!2 Release socket (p.51)
!3 Up / down buttons
!4 AE lock button (p.57)
!5 Main Switch (p.14)
!6 LCD panel (p.3)
!7 Metering mode selector (p.31, 55, 56)
!8 AF frame selector (p.34, 59)
!9 Diopter adjustment ring (p.28)
@0 Shutter speed dial
NAMES OF WORKING PARTS 5
@1 Battery holder release knob
@2 External power supply socket (p.13)
@3 Tripod socket (p.35)
@4 Vertical tripod socket (p.35)
@5 Multi-exposure switch (p.40)
@6 X-sync socket
@7 Strap lug (p.11)
@8 Film holder (p.18)
@9 Film holder release knob (p.18)
#0 Mid-roll wind-up button (p.26)
#1 Electronic cable release socket (p.51)
#2 Battery holder (p.12)
21
22
23
24
25
26
27
27
30
31
32
29
28
FOR SAFE USE OF YOUR CAMERA
6
Although we have carefully designed this camera for safe operation, please be sure to follow precautions
given on this page.
WARNING This mark indicates precautions that, if not followed, could result in
serious injury to the operator.
CAUTION This mark indicates precautions that, if not followed, could result in
minor or medium injury to the operator or damage to the equipment.
WARNING
•Wrapping the strap around your neck is dangerous.
Make sure that small children do not get the strap
caught around their neck.
•Do not look directly at the sun through the camera, as
viewing the sun for an extended period may damage
your eyes.
CAUTION
•Never try to disassemble, short or recharge the bat-
tery. Also, do not dispose of the battery in fire, as it
may explode.
•Remove the batteries from the camera immediately if
they become hot or begin to smoke. Be careful not to
burn yourself during removal.
PRECAUTIONS FOR YOUR CAMERA 7
Your Pentax camera is a high-precision mecha-
nism. Handle it with great care.
Precautions when taking pictures
•Do not use the camera where it may come in contact
with rain, water, or any other liquid, because the cam-
era is not weather, water, or liquid resistant. Should
the camera get wet from rain, splashing water, or any
other liquid wipe it off immediately with a dry soft cloth.
•Do not drop the camera or allow it to hit solid objects.
If the camera suffers a shock or impact, take it to a
Pentax service center for inspection.
•Be careful not to subject the camera to strong vibra-
tions, shock or pressure. Use a cushion to protect the
camera when carrying it in a motorcycle, car, boat,
etc.
•Condensation on the interior or exterior of the camera
may be extremely harmful to the camera mechanism
as it may cause rust. Furthermore, if the camera is
taken from warm temperature to a subfreezing one or
vice versa, the formation of ice crystals may cause
damage. In such a case, put the camera into a case
or plastic bag so that any changes in temperature dif-
ference is minimized. Do not remove it from the bag
until temperature has stabilized.
•Regular size color prints may cut off what appears on
the extreme edges of the film frame. Compose your
picture with a margin of safety at the edges.
Precautions for storage
•Avoid leaving the camera for extended periods in
places where the humidity and temperature are very
high, such as in a car.
•Do not store the camera in a closet with mothballs or
in an area where chemicals are handled. Store it in a
place with good dry air circulation to prevent the
growth of fungus.
Precautions for proper care
•Never touch the shutter curtain or mirror with your fin-
ger or any other object.
•Use a blower and lens brush to remove dust accumu-
lated on the lens or viewfinder.
•Never use solvents such as paint thinner, alcohol or
benzene to clean the camera.
•Electrical problems may often be caused by water, dirt
or dust at points of electrical contact. Also check for
battery leakage, traces of dirt or grease, or corrosion
due to salinity or gas. If you cannot correct the prob-
lems, have your camera inspected at a Pentax service
center. Repairs of this nature are not covered under
the terms of the warranty and charges may be
assessed.
8
Other precautions
•The temperature range at which this camera func-
tions properly is 50°C to -10 C (122 F to 14° ° °F).
•A camera which has been submerged in water usu-
ally cannot be repaired. If such an accident should
occur, it is advisable to contact a Pentax Service
Center immediately.
•To maintain optimum performance, it is recom-
mended that the camera be inspected every one or
two years. If the camera has not been used for an
extended period, or is being prepared for an impor-
tant photographic session, it is recommended that
you have the camera inspected or test shoot with it.
•Repairs deemed necessary due to usage of this
product in an industrial or commercial application
may not be covered under the terms of the Pentax
warranty.
•The PENTAX warranty provides only for the repair
of defects in materials or workmanship. Damage of
any kind cannot be repaired at no charge under the
terms of the warranty. If the difficulty is caused as a
direct result of the product being used in conditions
as outlined in the Precautions for Your Camera“ ”
section or any other operation contrary to the
instructions outlined in this manual, charges will be
assessed and a repair quotation will be provided.
PRECAUTIONS FOR BATTERY USAGE 9
•Use six 1.5V AA size alkaline, or lithium batteries.
•Misuse of the battery can cause hazards such as leakage, overheating, explosion, etc. The battery should be
inserted with the and sides facing correctly.“ ”+“ ”-
•Battery performance may be temporarily hindered in low temperatures, but will recover in normal temperatures.
•Keep a spare battery on hand for replacement convenience when shooting outdoors or while traveling.
•Replace the batteries at the same time. Do not mix battery brands, type or an old battery with a new one. As this
may cause explosion or overheating.
10
Icon indicators used in this manual
Operation direction
Attention
Lamp blinking
I. BASIC OPERATION
(PREPARATION)
ATTACHING THE CAMERA STRAP 11
BASIC OPERATION (PREPARATION)
1. Using a coin or similar object slide the clasp
in the direction of the arrow.
2. Put the clasp onto the strap lug of the camera
with the arrow indication facing out, and slide
the lock plate back to the original position.
1 2
3. To remove the strap, repeat step 1.
•Adjust the length of the strap with the buckle.
•After fitting the strap and adjusting the length, pull
the strap hard to confirm that the strap has secure-
ly attached to the camera.
•There is a pocket on the strap so you can store a
small accessory.
3
13
BASIC OPERATION (PREPARATION)
•This camera requires battery power for operation. Always use six 1.5V AA size batteries.
•The ISO film speed and number of exposed frames are unchanged if the batteries are replaced.
•Keep spare batteries on hand when shooting out doors or while traveling.
•Use of the optional Remote Battery Pack 645 and Power Cord 645 is recommended when the camera is
to be under the extremely low temperatures.
•Replace all the batteries at the same time. Do not mix battery brands, types or old batteries with new.
•Remove batteries when not using the camera for long periods of time as the batteries may leak after time.
Battery Life
[20°C/68°F]
Alkaline Battery Lithium Battery
120 film holder: about 130 rolls about 320 rolls
220 film holder: about 100 rolls about 250 rolls
Bulb exposure time about 8 hours about 12 hours
120 film holder:
220 film holder:
Bulb exposure time
Alkaline Battery
about 7 rolls
about 5 rolls
about 6 hours
Lithium Battery
about 120 rolls
about 90 rolls
about 10 hours
Battery Life
[–10°C/14°F]
•The batteries were used under Pentax testing conditions. Actual battery life and performance may vary
drastically depending on external conditions such as temperature and freshness of the battery.
•Battery performance may be temporarily hindered in low temperatures, but should recover in normal tem-
peratures.
TURNING THE POWER ON
14
BASIC OPERATION (PREPARATION)
1 2
1. Set the main switch to [ ON ]
•When the camera is not in use, make sure that the
main switch is OFF to prevent battery drain if the
shutter release button is accidentally depressed.
2. With the main switch set to [ ], an audible
PCV signal is heard for one of the following
conditions.
•When the subject comes into focus.
•When the film is left only one frame.
•With the mirror lock-up function set.
15
BASIC OPERATION (PREPARATION)
* Low Battery Warning
When the batteries are nearly exhausted, the bat-
tery symbol [ ] appears on the LCD panel as a
warning. Replace the batteries as soon as possible.
See page 12 for replacing the batteries.
•Even if the low-battery symbol appears, exposure
will be correct as long as the shutter can be
released. It is recommended to replace the batter-
ies as soon as possible.
*
ATTACHING THE LENS
16
BASIC OPERATION (PREPARATION)
1 2
1. Remove the body mount cap while depress-
ing the lens unlock button.
2. Align the red dots on the camera and lens
mount, attach the lens to the camera body,
and turn it fully to the right until you hear a
click.
22
16
8 4
2 2
16
84
f t
m
1 0
1 5
A
2 2
16
11
8
5.6
*
17
BASIC OPERATION (PREPARATION)
3
3. To remove the front lens cap, squeeze the
tabs on both sides in the direction of the
arrow.
•With a non-autofocus lens attached, all available
functions in this camera operate except autofocus
operation.
•We assume no responsibility nor liability for dam-
ages resulting from the use of lenses made by
other manufacturers.
•The camera body and lens mount incorporate lens
information contacts and an AF coupler. Dirt, dust,
or corrosion may cause damage to the electrical
system. Clean the contacts with a soft, dry cloth.
* How to remove
To remove the lens, turn it to the left while
depressing the lens unlock button.
•To protect the contacts and AF coupler of the lens
against damage after removal, be sure to set the
lens down with the mount side facing upward.
f tm
1 0
1 5
16
84
22
22
16
8
4
A
22
16
11
8
5.6
2.8
f t m
1 0
1 5
16
84
22
22
16
8
4
A
22
16
11
8
5.6
2.8
ATTACHING/DETACHING FILM HOLDER 645
18
BASIC OPERATION (PREPARATION)
1 2
Detaching
1. Raise the film holder knob and turn until the
red dot markings align and a click is heard.
Continue to turn the film holder knob to the
end of the red line; the locking mechanism
will release and the film holder is now
detached from the camera body.
Attaching
2. Align the red dots on the film holder knob and
film holder, then insert the film holder into the
camera chamber. Depress both sides of the
film holder until you hear a click.
PRESSING THE SHUTTER RELEASE BUTTON
LOADING FILM
20
BASIC OPERATION (PREPARATION)
The shutter release button has two positions.
Pressing it down halfway (first position) turns
on the exposure meter and autofocus system.
Pressing it fully (second position) releases the
shutter. When taking a picture, press the shutter
release button gently to prevent camera shake.
•Before loading a roll of film, slowly press the shut-
ter release button to learn where the first position
is.
•The LCD indication stays on for about 10 seconds
after the button is released from the halfway posi-
tion.
•The LCD indication timer duration can be changed
from the initial 10 seconds to 20 or 30 seconds
with Pentax Function No.2. See page 78.
Not pressed pressed halfway
down
(first position)
pressed fully
down
(second position)
S
After loading the film, be sure to set the proper
film speed. See page 24 for setting the film
speed.
Film wind gear (p.21)
Spool retainer (p.21)
Start mark (p.22)
Pressure plate
21
BASIC OPERATION (PREPARATION)
1 2 3 4
1. Install the emptied spool to the spool retainer
as illustrated.
2. Tear off the tape and install the spool to the
film holder so that the black inner side of the
leading must face outwards.
3. Draw the leader from the film roll, and insert
the leader paper tip into the take-up spool’s
slit.
4. Slowly rotate the film winding gear in the
direction of the arrow while lightly holding the
leader paper.
S
S
S
23
•Always load or unload a film in the shade or by
using your body to shade the film holder.
•We suggest that you first operate the camera with-
out film to become familiar with its operations.
•The film counter indication advances one each
time the shutter is released.
•With a 220 film loaded, the dot marks appear
before the arrow marking. If the dot marks align
with the start mark on the film holder, the first 3
frames will not be exposed.
•The film counter indication can be set either
advance with each frame or count down each
frame with Pentax Function No.7.
•If the leader paper is wound far beyond the start
mark S or the red line, you may lose the last
frame(s) on the roll.
•The film holder cannot be changed or removed
when the film is in mid-roll.
•15 pictures are taken with the 120 roll film and 32
pictures are taken with the 220 roll film. The num-
ber of taken pictures can be changed with a
Pentax function No.9.
•With the main switch set [ ], the PCV signal
beeps for two second when the film is left only one
frame for film depleting warning.
BASIC OPERATION (PREPARATION)
SETTING THE FILM SPEED (ISO)
24
BASIC OPERATION (PREPARATION)
123
1. Set the exposure compensation dial to the ISO
position.
•Turn the exposure compensation dial while holding
down the exposure compensation dial release button.
•The shutter cannot be released with the exposure com-
pensation dial set at [ ISO ].
2. Press the up/down button. To set the ISO for to a
higher film speed, press the [▲] button repeatedly
until the desired ISO appears on the LCD panel. To
change ISO for a lower film speed, press the [▼]
button repeatedly until the desired film speed
appears on the LCD panel.
3. After the desired film speed is set, turn the expo-
sure compensation dial to the [ 0 ] position.
•The film speed setting range is ISO 6 to 6400 in 1/3 EV
step increments.
•You can tear off the end cover of the film package indi-
cating the type of film and speed and insert it into the
memo holder provided on the film holder to remind you
of the film type/speed that you are using.
•[ ISO ] and film speed are always displayed on the LCD
panel with the main switch set to the ON position.
UNLOADING FILM 25
BASIC OPERATION (PREPARATION)
123
1. After the last frame of the roll is exposed, the
camera will automatically wind the film and
stops winding as soon as the back of the
leader paper is wound to the take-up spool.
[ ] on the LCD panel is displayed.
2. Detach the film holder from the camera.
3. While firmly holding the wound film roll, affix
the paper seal securely on the back of the
paper leader to prevent from accidental
unwinding of the exposed roll.
•Remove the film in the shade or by using your
body to shade the camera.
•The number of exposed frames on the LCD panel
disappears from the LCD panel.
UNLOADING THE FILM IN MID-ROLL
26
BASIC OPERATION (PREPARATION)
41 2 3
If you wish to remove the film before exposing all
the frames, use this function.
1. Set the main switch to [ ON ].
2. Press the mid-roll wind-up button fully with a
fine-pointed object. The film will wind com-
pletely.
3. Before detaching the film holder, check that
[ ] is displayed on the LCD panel.
4. While firmly holding the wound film roll, affix
the paper seal securely on the back of the
paper leader to prevent from accidental
unwinding of the exposed roll.
•The number of exposed frames on the LCD panel
disappears from the LCD panel.
•When removing the film from the camera, protect
it from exposure to direct sun light.
INSTALLING THE EYECUP 27
BASIC OPERATION (PREPARATION)
123
Two types of eyecups, a standard and a larger are
provided as accessories; they may be utilized
according to a given situation. The larger is con-
structed of rubber and designed to fit close to the
face for easy shooting.
To install
1. The standard eyecup may be easily removed
from the viewfinder by rotating the cup to the
left.
2. To install the larger eyecup: match the eyecup
pin with fitting eyepiece hole.
3. Turn the fixing screw by turning to the right
with a coin or similar object.
•When using accessories such as the Refconverter
645, remove the eyecup first.
•When turning the fixing screw with a coin, a large
diameter coin is recommended to use. A small
diameter coin touches the glass part of the eye-
piece and causes scratching the eyepiece glass.
ADJUSTING THE VIEWFINDER DIOPTER
28
BASIC OPERATION (PREPARATION)
Aim the camera at a bright subject. While look-
ing through the viewfinder, turn the diopter
adjustment ring to the left or right until the aut-
ofocus frame [ ] appears in the sharpest
focus.
•The diopter adjustment range is +1.0D to -3.5m-1
(per meter).
29
BASIC OPERATION (SHOOTING)
II. BASIC OPERATION
(SHOOTING)
USING THE PROGRAMMED AE MODE
30
BASIC OPERATION (SHOOTING)
1 2
Purpose
For easy picture taking, use this mode. In the
Programmed AE mode, the camera automatically selects
the best combination of aperture and shutter speed setting
allowing you to take pictures by simply pressing the shut-
ter release button.
To set
1. Turn the lens aperture ring to the [ A ] position as
shown in the illustration.
•To move the lens aperture ring to the [ A ] position, turn
the aperture ring while holding down the aperture-A lock
button on the lens. The lens aperture ring can be
released from the [ A ] position in the same manner.
2. Turn the shutter speed dial to [ A ] while holding
down the shutter speed dial release button. The
shutter speed dial can be released from [ A ] in the
same manner.
•You can shift the program line of Programmed AE Mode
with Pentax Function No.6. See page 79 for more
details.
•See page 44, 46, 48, and 50 for other available exposure
modes.
22 16
8 4
2216
84
f tm
1 0 1 5
A 2 2 16
11 8
5.6
2.8
USING THE MULTI(6)-SEGMENT METERING MODE
31
BASIC OPERATION (SHOOTING)
In the multi(6)-segment metering mode, the meter-
ing system automatically measures light in six dif-
ferent zones, enabling proper exposure value in a
wide variety of normal and adverse lighting condi-
tions.
Set the metering mode switch to [ ].
•The center-weighted metering mode and spot
metering mode are also available in this camera.
See page 55 and 56 for more details.
•When the Adapter 645 for 67 lens or Helicoid
Extension Tube 645 attached, the center-weighted
metering mode is automatically set even if you
select the multi-segment metering mode. The
multi-segment mode cannot be used.
MULTI(6)-SEGMENT METERING
This camera incorporates a high-precision six-segment
TTL metering system. Light values are measured in six
segments within the image field, enabling an optimal
exposure to be made under a variety of lighting condi-
tions. With conventional averaged metering systems,
underexposure of the subject results from the brightness
of the background affecting the overall metering. With
multi(6)-segment metering, the camera records the bright-
ness in six zones within the image field and uses these
measurements to choose an exposure that will not under-
exposed the subject. The multi(6)-segment metering sys-
tem also calculates exposure values for a scene to auto-
matically compensate for high-contrast and other difficult
lighting conditions. Even a beginner can achieve excellent
results with ease.
USING AUTOFOCUS MODE
32
BASIC OPERATION (SHOOTING)
With the Pentax 645 FA lens attached, the lens
automatically focuses when you press the shutter
release button halfway down.
Set the lens in the autofocus mode.
•Switching between the autofous mode and manu-
al focus mode depends on the lens you use. For
more details, read the operating manual of the
lens.
•The camera does not provide the switch for
switching between the autofous mode and manu-
al mode.
MF AF
HOLDING THE CAMERA 35
BASIC OPERATION (SHOOTING)
For best results, be sure to hold the camera correctly
as shown in the illustrations.
Hold the camera firmly, with your left hand supporting the
camera and lens as shown in the illustrations. While tak-
ing a picture, hold your breath and gently depress the
shutter release button. (Sudden force on the shutter
release button will cause camera shake, making the pic-
ture blurred.)
•To reduce camera shake, support your body or the cam-
era on a solid object - a table, tree, or a wall for instance.
•Although there are individual differences among photog-
raphers, in general the shutter speed for a hand held
camera is the inverse of the focal length. For example,
1/75 of second when the focal length is 75mm, and
1/150 of second when it is 150mm. A tripod should be
used for shutter speeds slower than this.
•When using an ultra-telephoto lens, a tripod that is heav-
ier than the total weight of the camera and lens is rec-
ommended to avoid camera shake.
•This camera has provided two tripod sockets for vertical
and horizontal format positions.
•When the tripod is used, use of an optional Cable SW
CS-105/CS-130 or Cable Release is also recommend-
ed.
Camera held horizontally Camera held vertically
37
•The shutter cannot be released if the subject is out
of focus.
•The film counter indication advances each time
the shutter is released.
•Depress the shutter release button halfway down.
While [ ] is on, the camera-to-subject distance
is fixed (focus lock). To refocus on another sub-
ject, lift your finger off the shutter release button.
•If the drive mode switch is set to the Consecutive-
Frame Mode with the Single AF Mode set, the
camera focuses only the first picture. From the
second picture, the pictures are taken consecu-
tively with the focus locked at the first picture.
BASIC OPERATION (SHOOTING)
SELECTING A DRIVE MODE
38
ADVANCED OPERATIONS
3. ADVANCED OPERATIONS
Consecutive-Frame Mode
Consecutive pictures can be taken by holding down
the shutter release button.
Set the drive mode selector to [ ].
• If the AF mode selector is set to [ S ], the camera
focuses only the first picture. From the second pic-
ture, the pictures are taken consecutively with the
focus locked at the first picture.
39
ADVANCED OPERATIONS
Self-Timer Mode
The self-timer mode delays the shutter release, and
is useful for taking group shots that include the pho-
tographer. The shutter will be released about 12
seconds after the shutter release is pressed.
1. Set the drive mode selector to [ ].
2. Focus on the subject first using the autofocus
frame and by pressing the shutter release
button halfway down. Then press the shutter
release button fully.
• The shutter will be released about 12 seconds
later.
• When the self-timer is in operation, the audible
PCV signal is heard and the rate increases for the
last two seconds.
• To cancel the self-timer operation after it has been
activated, move the drive mode selector to a posi-
tion other than [ ] or set the main switch to the
OFF position.
• The self-timer delay time can be set to 12 sec. or
2 sec. (with mirror lock-up) with Pentax Function
No. F4.
1 2
MULTIPLE EXPOSURE MODE
40
ADVANCED OPERATIONS
31 2
Procedure
1. Turn the multi-exposure switch in the direc-
tion of the arrow until it locks.
2. The frame counter on the LCD panel blinks.
3. Press the shutter release button to shoot an
initial exposure. The film will not advance.
41
ADVANCED OPERATIONS
4 5
4. Return the multi-exposure switch to the origi-
nal position to cancel the multi-exposure
mode.
Notes:
• To exposure the third shot, leave the multi-expo-
sure switch in the lock position in step 3 to shoot
the second shot. Then return the multi-exposure
switch to the original position. The film does not
advance at on this stage. Depress the shutter
release button to shoot the third shot. The film will
advance and the single-frame shooting will be
restored.
5. Recompose the frame, and depress the shut-
ter release button to shoot the second shot.
• When using the Multi-Exposure Mode, you usual-
ly get the best result using a flash to illuminate the
main subject against a dimly-lit background.
• To cancel the Multi-Exposure Mode, turn the multi-
exposure switch to the original position.
• With the data exposure imprinting set, the data of
the last frame is imprinted.
SELECTING AN EXPOSURE MODE
42
ADVANCED OPERATIONS
123
Using the Programmed AE Mode
Purpose
The camera automatically selects the optimum
combination of shutter speed and aperture setting,
making it easy to take a good photograph by just
depressing the shutter release button.
To set
1. Set the lens aperture ring to [ A ].
• Turn the lens aperture ring while holding down the
aperture-A lock button.
2. Turn the shutter speed dial to [ A ] while hold-
ing down the shutter speed dial lock button.
• The shutter speed dial can be released from [ A ]
to another position in the same manner as above.
• When the shutter release button is depressed
halfway, the shutter speed and aperture setting
will be displayed in the viewfinder.
• You can shift the program line of Programmed AE
Mode with Pentax Function No. 4. See page 79 for
more details.
22 16
8 4
2216
84
f tm
1 0 1 5
A 2 2 16
11 8
5.6
2
43
ADVANCED OPERATIONS
* Exposure Warning
If the subject is too bright or too dark, the shutter
speed and aperture setting will blink in the viewfind-
er. If the subject is too bright, select a darker sub-
ject. Use a flash if the subject is too dark.
*
44
ADVANCED OPERATIONS
21
Using the Aperture-Priority AE Mode
Purpose
When the desired aperture is selected, an appropri-
ate shutter speed is automatically set by the cam-
era for a proper exposure. This mode is ideal for
shooting landscapes with increased depth of field,
or a portrait against a blurred background.
To set
1. Set the lens aperture ring to the desired f-stop
other than [ A ].
•Turn the lens aperture ring while holding down the
aperture-A lock button.
2. Set the shutter speed dial to [ A ].
•The shutter speed dial can be released from [ A ]
to another position while holding down the shutter
speed dial lock button.
22 16
8 4
2216
84
f tm
1 0 1 5
A 22
16 11 8
5.6 2.8
45
ADVANCED OPERATIONS
34*
3. Set the desired f-stop.
4. The f-stop that you have selected and appro-
priate aperture indication determined by the
camera can be seen in the viewfinder when
the shutter release button is depressed
halfway.
•The approximate aperture indication appears in
the viewfinder. It may not the same indication as
you select the lens aperture ring especially when
the A645 150mm f/3.5 or A 645 45-85mm Zoom
f/4.5 is attached.
* Exposure Warning
If the subject is too bright or too dark, the selected
shutter speed will blink in the viewfinder and on the
LCD panel as a warning as shown. When the sub-
ject is too bright, choose a smaller aperture, if avail-
able; when it is too dark, choose a larger aperture,
if available. When the shutter speed indication
stops blinking, you can take the picture. If both
shutter and aperture blink, it means that the expo-
sure is out of metering range, unable to obtain a
correct exposure even if the aperture is adjusted.
Select a darker subject if it is too bright, or use a
flash if it is too dark.
2 2 1 6
8 4
2 216
84
f tm
1 0 1 5
A 22
16 11 8
5.6 2.8
46
ADVANCED OPERATIONS
1 2
Using the Shutter-Priority AE Mode
Purpose
When the desired shutter speed is selected, the
appropriate aperture is automatically set by the
camera for a proper exposure according to the
brightness of the subject. This mode is suitable for
freezing the action with a fast shutter speed or cap-
turing a flowing dynamic image with a slow shutter
speed.
To set
1. Set the lens aperture ring to [ A ].
2. Set the shutter speed dial to a shutter speed
other than [ A ].
•To set the shutter speed dial to a position other
than [ A ], turn the shutter speed dial while holding
down the shutter speed dial lock button.
3. Set the shutter speed dial to the desired shut-
ter speed.
22 16
8 4
2216
84
f tm
1 0 1 5
A 2 2 16
11 8
5.6
2.8
47
ADVANCED OPERATIONS
3 *
4. The shutter speed dial between 1/1000 to 4S
can be set to 1/2 step by pressing the
up/down button. The set shutter speed will be
displayed on the LCD panel and in the
viewfinder.
•If the shutter speed does not change to 1/2 step,
confirm Pentax Function No. 1
•When the shutter release button is depressed
halfway down, the shutter speed and the aperture
value will be displayed in the viewfinder.
•In flash photography, when you use the flash sync
shutter speed of 1/60 second or a non-dedicated
external flash unit, set the shutter speed dial to the
[ X ] (1/60 of second) position.
* Exposure Warning
If the subject is too bright or too dark, the shutter
speed and aperture setting in the viewfinder blink.
When the subject is too bright, choose a faster
shutter speed. If it is too dark, choose a slower
shutter speed. When the shutter speed indication
stops blinking, you can take the picture. If both
selected shutter speed and aperture blink, it means
that the exposure is out of metering range, unable
to obtain a correct exposure even if the shutter
speed is adjusted. Select a darker subject if the
subject is too bright. Use a flash if it is too dark.
48
ADVANCED OPERATIONS
1 2
Using the Metered Manual Mode
Purpose
The Metered Manual Mode is a convenient expo-
sure mode for taking pictures using the same shut-
ter speed and aperture setting combination, or tak-
ing creatively under or overexposured photographs.
To set
1. Set the lens aperture ring to the desired f-stop
setting.
• Turn the lens aperture ring while holding down the
aperture-A lock button.
2. Set the shutter speed dial to the desired shut-
ter speed.
3. The shutter speed dial between 1/1000 to 4S
can be set to 1/2 step by pressing the
up/down button. The set shutter speed will be
displayed on the LCD panel and in the
viewfinder.
• If the shutter speed does not change to 1/2 step,
confirm Pentax Function No. 1
• To set the shutter speed dial to a position other
than [ A ], turn the shutter speed dial while holding
down the shutter speed dial lock button.
• When the 645 LS (with leaf shutter )75mm is
attached, [ LS ] appears on the LCD panel.
22 16
8 4
2216
84
f tm
1 0 1 5
A 22
16 11 8
5.6 2.8
49
ADVANCED OPERATIONS
4 5 *
4. Turn either the shutter dial or lens aperture ring
until a single bar is displayed in the center of the
bar graph.
5. When the shutter release button is depressed
halfway, the shutter speed, approximate aperture
and bar graph will be displayed in the viewfinder.
• When the bars are displayed to the [ + ] side on the bar
graph, it indicates overexposure and when the bars are
displayed to the [ - ] side, it indicates underexposure.
• Moving one bar on the bar graph indicates 1/3 step
(0.3EV). However, when under or over exposure is set
beyond + 3 or - 3 steps (3EV), [ + ] or [ - ] indicator will
blink.
• In flash photography, when you use the flash sync shut-
ter speed of 1/60 second or a non-dedicated external
flash unit, set the shutter dial to the [ X ] (1/60 of second)
position.
* Exposure Warning
If the subject is too bright or too dark, the selected shutter
speed will blink in the viewfinder as a warning as shown.
When the subject is too bright, choose a smaller aperture;
when it is too dark, choose a larger aperture. When the
shutter speed indication stops blinking, you can take a pic-
ture. If both shutter and aperture blink, It means that the
exposure is out of metering range, unable to obtain a cor-
rect exposure even if the aperture is adjusted. Select a
darker subject or use a flash if it is too dark.
22 16
8 4
2216
84
f tm
1 0 1 5
A 22
16 11 8
5.6 2.8
4
50
ADVANCED OPERATIONS
123
Using the Bulb Exposure Mode
Purpose
This mode is useful for the long exposures required
for shooting night scenes and fireworks. The shut-
ter remains open as long as the shutter release but-
ton is held down.
How to
1. Set the lens aperture ring to the desired f-stop
other than [ A ] while holding down the aper-
ture-A lock button.
• Do not set the lens aperture ring to [ A ]. If doing
so, the aperture will always closed to the maxi-
mum position.
2. Set the shutter speed dial to [ B ].
3. An appropriate aperture will be displayed in
the viewfinder when the shutter release but-
ton is depressed halfway.
• Set the shutter speed dial to the [ B ] position. Turn
the shutter speed dial while holding down the
shutter speed dial lock button.
• The approximate aperture indication appears in
the viewfinder. It may not the same indication as
you select the lens aperture ring especially when
the A645 150mm f/3.5 or A 645 45-85mm Zoom
f/4.5 is attached.
22 16
8 4
2216
84
f
1 0 1 5
A 22
16 11 8
5.6
51
ADVANCED OPERATIONS
4
4. Adjust the desired aperture by lens aperture
ring.
• When using this mode, use a steady tripod to pre-
vent camera shake and attach the optional “Cable
Switch CS-105, CS-130 or Release Timer Switch”
TS-110 after removing the Release Socket Cap.
• Up to approx. 8 hours of time exposure are possi-
ble with new alkaline batteries at room tempera-
tures.
22 16
8 4
2216
84
f tm
1 0 1 5
A 22
16 11 8
5.6 2.8
A
X
B
4
S
2
S
1
2
4
8
1
5
30
60
12
5
25
0
5
00
1
000
0
+1
+2
+3
-1
-2
-3
1/3 2/3
OFFON
22
16
8
4
22
16
8
4
ft
m
1 0
1 5
A
22
16
11
8
5.6
2.8
ABOUT EXPOSURE COMPENSATION
52
ADVANCED OPERATIONS
1 2
Purpose
The exposure compensation allows you to deliberately
overexposure (brighten) or underexposure (darken) a
subject, or to compensate for difficult lighting conditions
which may fool the camera s built-in exposure meter.’
To set
1. Turn the exposure compensation dial to the desired
compensation value.
2. The exposure compensation dial locks at the [ 0 ]
position. To set the exposure compensation dial to
a position other than the [ 0 ] position, turn the
exposure compensation dial while holding down
the exposure compensation dial release button.
3. The bar graph indicates the compensation value
and [ ] appear in the viewfinder.
• Exposure compensation does not work in the Bulb
Exposure Mode.
• The exposure compensation range is -3EV to +3EV in
0.3EV step.
• The exposure compensation step can be selected from
initial 0.3EV step to 0.5EV step with the Pentax Function
No.5. See page 79 for more details
• When the 0.5EV step is selected, two bars above the bar
graph indicate a 0.5EV step.
• When exposure compensation is used in the Metered
Manual Mode, the bar above the bar graph indicates
under or overexposure, it is not indicating the exposure
compensation value. [ ] is displayed.
AUTO BRACKETING EXPOSURE MODE 53
ADVANCED OPERATIONS
1 2
When you take a picture that requires exposure compen-
sation and it may be difficult to determine the correct
exposure, use this mode to make three different bracket-
ed exposures with different exposure levels.
Selection of auto bracketing amount.
The auto bracketing amount can be selected either 1/3EV
step or 1/2EV step.
To set
1. While holding the auto bracketing selector at the STEP
position, depress the up/down button to select the
desired auto bracketing amount.
• The bracketing amount can be set 13 (1/3EV step) or 12
(1/2EV step).
2. Release the finger from the auto bracketing selector.
The selector returns to the ± 0 position to complete the
set-bracketing amount.
with 1/3EV set with 1/2EV set
54
1. Set the auto bracketing selector to the desired
exposure compensation value.
2. Press the shutter release button fully. Three pic-
tures are taken consecutively according to the
auto-bracketing switch you have set.
• Three pictures are taken consecutively as follows.
First picture: Correct exposure
Second picture: Underexposure
Third picture: Overexposure
• The sequence of the auto bracketing exposures can be
changed with Pentax Function No. 3.
• The camera automatically measures the exposure for
each shot.
• The focus is locked at the first picture and remains
locked until all pictures are taken.
• If you let go of the shutter release button during auto
bracketing, the auto bracketing will remain effective until
the viewfinder indication goes off. After that, auto brack-
eting exposure for the first bracketed frame will take
effect.
Auto Bracketing Exposure Mode combined with the
Exposure Compensation function.
You can combine the auto bracketing exposure mode with
exposure compensation function.
The auto bracketing will take effect to the set-exposure
compensation amount.
Auto Bracketing Exposure Mode combined with the
Metered Manual Mode.
You can combine the auto bracketing exposure mode with
the metered manual mode (except X sync speed).
The auto bracketing will take effect only to the set-shutter
speed. The bar graph of the metered manual mode is only
displayed in the viewfinder. The bar graph of the exposure
compensation value is not displayed.
ADVANCED OPERATIONS
1
––
3EV 2
––
3EV 1EV 1EV
1
––
2EV 3
––
2EV
with 1/3EV set with 1/2EV set
56
ADVANCED OPERATIONS
1 2
Using the Spot Metering Mode
The Spot Metering Mode measures light only in the
small area in the center of the viewfinder.
To set
1. Set the metering mode selector to [ ].
2. Measure the small area of the viewfinder as
illustrated.
• If the brightness range between area in the photo-
graph is too great, the exposure should be deter-
mined in consideration of the overall brightness.
Otherwise, the picture will come out improperly
exposed.
Metering
area
USING AE LOCK 57
ADVANCED OPERATIONS
The AE lock function enables an exposure level to
be memorized before shooting. The AE lock func-
tion is very effective when used along with spot
metering. Use the AE lock function to get a correct
exposure when the subject occupies only a small
part of the viewfinder.
Position the area to be measured in the spot
metering area and press the AE lock button. The
exposure level is memorized and [ ] is dis-
played in the viewfinder.
• As soon as the AE lock button [ AE-L ] is pressed,
and the camera stores the measured exposure
level for 20 seconds. The AE lock function remains
while the AE lock button is depressed.
• If the shutter release button is depressed halfway
down while the AE lock timer is operating, the
memorized meter reading will remain even if the
AE lock button is released.
• The AE lock function cannot be used when the
camera is set in the Metered Manual Mode.
How to cancel
To cancel the AE lock function, press the AE lock
button again.
SETTING THE FOCUS MODE SWITCH TO THE CONTINUOUS POSITION
58
ADVANCED OPERATIONS
If the shutter release button is held at the halfway
position, the lens focuses continuously to follow the
subject. The shutter can be released even if the
subject is out of focus.
Set the focus mode switch to [ C ].
Predictive Autofocus Mode
When the camera senses subject movement during
the autofocus operation, the camera will automati-
cally switch the focus mode to the predictive auto-
focus mode to measure the speed of a moving sub-
ject, and predict where it will be at the moment of
shutter release to maintain sharp focus on the sub-
ject. If the subject is moving too fast, the shutter
may not be released.
62
• The camera is not equipped with the focus mode
selector.
• When the subject comes into focus, the focus indi-
cator [ ] lights up in the viewfinder. An audible
PCV signal can be heard if the main switch is set
to the [ ] position.
When the autofocus mode or the in-focus indi-
cator is unsuited for focusing
When the autofocus function or the viewfinder s in-’
focus indicator [ ] cannot be used when the sub-
ject on the AF frame is difficult to autofocus. Focus
the subject in the manual focus mode with the aid
of the matte field in the viewfinder as you would with
a non-AF SLR camera.
Notes on Accessories
The following conditions do not allow autofocusing
or manual focusing with the in-focus indicator in the
viewfinder. Use the manual focus mode to focus on
the subject with the aid of the matte field surround-
ing the autofocus frame. See page 58 for manual
focusing.
a) When using special effect filters or “Magic Image
Attachment”.
b) When using Extension Tubes or an Auto Bellows
for close-up photography.
ADVANCED OPERATIONS
65
Imprinted description
Characters
Number of films
Number of frames
Exposure mode
Shutter speed
Aperture setting
Exposure compensation value
Auto bracketing
Metering mode
AE lock
Flash status
Focal length of lens
Focus mode
Autofocus mode
AF area
Focus point
Film speed
Capital letter [A to G] is imprinted to identify the camera.
[ 1 - 199 ] can be imprinted. Beyond 199, it returns to 1.
[ 1 – 99 ] can be imprinted.
[ M ] (Metered Manual), [ Tv ] (Shutter-priority AE), [ Av ] (Aperture-priority AE) or [ P ]
(Programmed AE) can be imprinted.
[ The shutter speed ] displayed in the viewfinder is imprinted. For bulb exposure, up to [ 9999 ]
seconds can be imprinted. Beyond 9999 seconds, [ BULB ] will be imprinted. [ LS ] for lens shut-
ter is used, [ X ] for when the shutter speed dial is set to the X position.
[ Aperture value ] displayed in the viewfinder is imprinted. When the 67 lens adapter or the 645
Helicoid Extension Tube having no lens information contacts are used, [ F - - ] will be imprinted.
When the exposure compensation is not enabled, [ ±0.0Ev ] is imprinted. The exposure com-
pensation value for the auto bracketing is also imprinted. If both auto bracketing and exposure
compensation are used, the sum is imprinted.
[ AEB ] is imprinted when the pictures are taken in auto bracketing mode.
(Multi-segment ), (Center-weighted), (Spot)
[AE-L] is imprinted with the AE-lock function used.
[ ] is imprinted when a Pentax dedicated flash is fired.
[ Focal length ] is imprinted when the FA lens is attached. When the FA zoom lens is in use, [an
approximate value of focal length] is imprinted. [ - - mm ] is imprinted when the A-lens, rear con-
verter or etc. is mounted.
[ AF ] is imprinted with the autofocus mode used. [ MF ] is imprinted with the manual focus mode
used.
[ S ] is imprinted with Single AF mode used. [ C ] is imprinted with Continuous AF mode used.
[ WIDE ] is imprinted with the 3-point AF mode used. [ SPOT ] is imprinted with the spot AF mode
used.
With the 3-point AF is set, which focus point is used imprinted with L (left), R (right), or C (cen-
ter).
Set the film speed ISO 6 to 6400 is imprinted.
ADVANCED OPERATIONS
Data type
66
ADVANCED OPERATIONS
1 2
To set
1. Set the exposure compensation dial to [ D ]. [ D ] will be displayed on the LCD panel.
2. Press up/down button repeatedly until [ on ] appears on the LCD panel.
If [ ] is displayed on the LCD panel, the exposure data will be imprinted on the negative.
• With a 645 A- lens attached, the exposure data but not the focal length of the lens will be imprinted even
if [ ] is displayed on the LCD panel.
• With an accessory without the lens information contacts such as a helicoid extension tube attached, the
exposure data but not the focal length and aperture setting of the lens will be imprinted even if [ ] is dis-
played on the LCD panel.
• Since the exposure data are imprinted on the outside of picture frame, the data will not be seen on the
actual photographs.
• The shutter cannot be released with the exposure compensation dial set at [ D ].
D
D
D
USING A PENTAX DEDICATED EXTERNAL FLASH
68
Using the TTL Auto Flash
1. Remove the hot shoe cover and attach a
Pentax dedicated flash unit.
2. Turn the flash ON.
3. Set the flash to TTL Auto mode.
4. Confirm that the flash is fully charged.
5. Focus on the subject and release the shutter.
Auto Bracketing Exposure mode with a Pentax
TTL dedicated flash
When the auto bracketing exposure mode is select-
ed with a Pentax dedicated TTL flash in use, only
the amount of flash output is varied.
• When the flash is fully charged, the ready lamp on
the flash unit lights up. When the shutter release
button is depressed halfway down, [ ] appears
in the viewfinder indicating the flash is ready.
• For more details, read the flash operating manual.
Exposure Compensation with a Pentax TTL ded-
icated flash
When the exposure compensation is set with a
Pentax TTL flash in use, it makes possible to adjust
the brightness of the subject on the background and
the main subject respectively.
ADVANCED OPERATIONS
69
AF500FTZ, AF330FTZ and AF360FGZ
• These flash units feature a built-in infrared spotbeam to
assist the autofocus system in dim light and low-contrast
conditions.
• The auto zoom function will automatically adjust the
angle of discharge according to the lens focal length only
when a 645 FA lens is in use.
• The AF500FTZ and AF360FGZ feature a wireless slave-
sync flash function.
• The flash effective range appears on the LCD panel only
when an a 645 A- lens is in use, or FA lens is in use.
• Multiple flash burst on a single frame are possible with
the AF500FTZ.
• In the Programmed AE, Shutter-Priority AE, or Aperture-
Priority AE, the TTL Auto Flash Mode will be set auto-
matically even if the flash is set to Manual.
• With AF360FGZ, the picture format size can be selected
depending on the camera format being used.
AF240FT, AF400FTZ
• These flash units feature a built-in infrared spotbeam to
assist the autofocus system in dim light and low-contrast
conditions.
• In the Programmed AE, Shutter-Priority AE, or Aperture-
Priority AE: TTL Auto Flash Mode will be set automati-
cally even if the flash unit is set to Manual.
• When the flash unit is charged and left unused for about
5 minutes, the power will automatically switch off to save
battery power. Depressing the shutter release button
halfway down will restart charging of the flash unit.
AF200T, AF220T, AF280T, and AF400T
• If the TTL auto mode is selected, these flash units can
be used for daylight-sync shooting, because the shutter
speed is adjusted according to the ambient brightness.
The slower shutter speed varies according to the lens
focal length. The shutter speed varies within the shutter
speed range of 1/60 of second to a slower speed which
does not cause camera shake. However, when a 645 A-
lens is in use, the shutter speed is set to 1/60 of second.
The aperture value will also be fixed but will vary
depending on what ISO film is loaded.
ADVANCED OPERATIONS
70
ADVANCED OPERATIONS
• When using the Three-Level Auto (red, green, and
yellow settings) mode, the aperture value is
adjusted as shown in the table. When the flash is
fully charged, the shutter speed also varies within
the shutter speed range of 1/60 to a slower speed
which does not cause camera shake. The slowest
shutter speed varies according to the lens focal
length. When a 645A - lens is use, the shutter
speed will be set to 1/60 of second.
Multi-burst flash with the Pentax dedicated
flash
When discharging more than 2 Pentax dedicated
flashes, make sure that they are of the same type,
combine Type A with Type B or Type C with Type D.
(refer to the overview of Flash Function on page
71).
AF200T AF280T AF400T
Red f/2.8 f/4 f/4
Green f/5.6 f/8 f/8
Yellow f/11
with ISO 100
DAYLIGHT- SYNC SHOOTING
72
ADVANCED OPERATIONS
Without Daylight-Sync
With Daylight-Sync
Purpose
When taking a portrait in daylight, the subject s face’
may be cast in shadow. The use of a flash will help
eliminate the unwanted shadow.
Daylight-sync photography is accomplished in
the same manner as normal flash photography,
so you simply depress the shutter release but-
ton.
•If the background is too bright, it may be overex-
posed.
MIRROR LOCK-UP 75
This camera is equipped with a mirror lock-up facility.
To set
1. Set the drive mode selector to [ M. UP ].
2. Press the shutter release button fully to swing up
the mirror.
3. Press the shutter release button again. The shutter
is released.
•The exposure is locked just before the mirror goes up.
• ’The audible PCV signal s beeping can be enabled and
will be heard with the drive mode selector set at [ ].
To cancel
1. With the exposure mode set to the Aperture-Priority
AE mode, Metered manual mode or Bulb exposure
mode:
qSet the Drive mode selector to a position other than [ M.
UP ] or set the main switch to [ OFF ].
2. With the exposure mode set to the Programmed AE
or Shutter-Priority AE mode:
qSet the multi-exposure switch to the ON position.
wSet the drive mode selector to a position other than [ M.
UP ] or set the main switch to [ OFF ].
eSet the multi-exposure switch to the original position.
Note:
Without setting the multi-exposure switch to the ON posi-
tion, the film is advanced by 1 frame when the mirror
returns to the original position.
ADVANCED OPERATIONS
To set To cancel 2
w
w
q
e
To cancel 1
q
q
PENTAX FUNCTIONS
76
SETTING PENTAX FUNCTIONS
The camera provides 10 Pentax Functions so you can set the camera accordingly to your preferences.
To set:
1. Turn on the camera. Set the exposure compensation dial to [ PF ].
•Function No. and setting content will be displayed on the LCD panel.
2. Press the up or down button to display the Pentax Function No.F0 to F9 you want to set.
3. Press the AE-lock button to select the setting content.
4. The Pentax function No. and setting content will be set when the exposure compensation dial is
set to other than [ PF ].
•The shutter cannot be released with the exposure compensaion dial at [ PF ].
ADVANCED OPERATIONS
1 2 3
77
Resetting the Pentax Function
To reset all the Pentax Functions to the initial settings in the following procedures.
1. Set the exposure compensation dial to [ PF ].
2. Hold down the up and button at the same time for more than 2 seconds. [ CL ] will be displayed
on the LCD panel and all Pentax Functions are reset to initial setting.
ADVANCED OPERATIONS
1 2
SETTING PENTAX FUNCTION
78
[PF 0] Imprinting the character (capital letters A G)–
If the imprinting is enabled, a capital letter can be
imprinted on the negative.
If the user has more than two cameras a different let-
ter can be set to identify the negatives from each cam-
era.
Pentax Function No. 0
[PF 1] Setting the shutter speed step
For use with the Shutter-Priority AE or Metered
Manual Mode set, the shutter speed step can be set to
either 0.5 or 1 EV steps.
Pentax Function No. 1
1/2EV step (initial setting)
1.0EV step (follows the shutter speed dial)
ADVANCED OPERATIONS
[PF 2] Setting the metering timer
The metering will stay on for 10 seconds but can be
changed to 20 or 30 seconds.
Pentax Function No. 2
10 seconds (initial setting)
20 seconds
30 seconds
[PF 3] Setting the auto bracketing sequence
You can set the sequence of the auto bracketing expo-
sures.
Pentax Function No.3
Proper exposure →
Under exposure →
Over exposure
Under exposure →
Proper exposure →
Over exposure
Over exposure →
Proper exposure →
Under exposure
Produkt Specifikationer
| Mærke: | Pentax |
| Kategori: | Kamera |
| Model: | 645NII |
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