Canon CN-E31.5-95mm T1.7 L S Manual

Canon Linse CN-E31.5-95mm T1.7 L S

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Side 1/4

1/4

①

②

③

④

BACK FOCUS ADJUSMENT

NAMES OF PARTS

Focus drive gear

Zoom drive gear

Iris drive gear

Lens holder

F.B. Adjuster

PL mount

EF mount

Attachment holder

1. Open the rubber cap of F.B. adjuster and loosen the

F.B. adjusting xing

screw (black) using the standard

screwdriver.

Select an object at an appropriate distance

Use any object with sharp contrast to facilitate the

adjustment work.

Set the iris fully open.

Set the lens to the telephoto angle by turning the zoom

ring.

Bring the object into focus by turning the focus ring.

Set the lens to the widest angle by turning the zoom ring.

Turn the F.B. adjusting screw (gold) with a standard

screwdriver to focus.

8. Repeat steps 4 to 7 a few times until the object is

brought into focus both at the widest end and the

telephoto end.

After the back focus adjustment is completed, tighten the

F.B. adjusting xing screw. Then close the rubber cap.

If the image formation plane of the lens and the focal plane of the camera are not aligned, the image will not be

in focus when zooming, resulting in out-of-focus images.

PL mount lenses are equipped with a LEMO 4-pin connector.

It connects to external devices that support Cookeʼs /i Technology.

①Lens body

②Lens cap

③Rear lens cap

④Attachment holder

⑤

Operation Manual

Before Using The Product

⑥

Operation Manual

Regulations

Make sure all of the following items are included in the packing box. If you nd any item missing, please

contact your Canon sales representative or dealer.

F.B. Adjusting Screw (Gold)

F.B. Adjustment

Fixing Screw (Black)

F.B. Adjuster

LEMO 4-pin

Connector

CN-E20-50mm T2.4 L F

/ CN-E20-50mm T2.4 L FP

CN-E45-135mm T2.4 L F

/ CN-E45-135mm T2.4 L FP

CN-E14-35mm T1.7 L S

/ CN-E14-35mm T1.7 L SP

CN-E31.5-95mm T1.7 L S

/ CN-E31.5-95mm T1.7 L SP

Digital Cinema Lens

Before using the product, make sure to read the "GENERAL SAFETY INFORMATION" and be sure to use the

product correctly.

This product comes with the following documents:

• Operation Manua

l "

Before Using The Product

(Included with the product)

• Operation Manual

Regulations

(Included with the product)

• Operation Manual (Web)

• Depth-of-eld (Web)

ENG OPERATION MANUAL

PRODUCT LIST

The illustrations in this manual show CN-E20-50mm T2.4 L F unless otherwise specied.

The shapes of product may vary depending on models and specications.

⑤

⑥

A variety of professional camera accessories are available using

15 mm and

19 mm rod adaptors.

(When using a

19 mm rod, attach the supplied attachment holder to the lens holder.)

1. Attach the lens to the camera tightly so that both mounting surfaces are

in complete contact.

2. Secure the attachment holder on the lens support using

the clamping screw supplied with the lens support.

3. Fix the lens support to the rods using lens support xing screws.

MOUNTING AND CONNECTING

Lens suppor

Note

For details on how to attach the lens, refer to the camera's

operation manual as well.

For PL mount, read the following instructions before mounting the lens.

The PL mount supports Cookeʼs /i Technology, so make sure that the camera is set to /i . “ ”

Do not mount the lens if the camera is set to a mount communication mode other than /i . Doing so “ ”

could result in malfunction.

Note

Before mounting the lens on the camera, make sure that the power of camera and the power of supply

equipment are turned o󰀨.

Be sure to use the lens holder when mounting the lens on a camera. Be sure to avoid applying

excessive weight to the lens mount when the lens is mounted on a lens support.

CN-E20-50mm T2.4 L F / CN-E20-50mm T2.4 L FP

：approx. 0.9-1.8 m,

6 ft

CN-E45-135mm T2.4 L F / CN-E45-135mm T2.4 L FP

：approx. 1.8-3.7 m,

12 ft

CN-E14-35mm T1.7 L S / CN-E14-35mm T1.7 L SP

：approx. 0.9-1.8 m,

6 ft

CN-E31.5-95mm T1.7 L S / CN-E31.5-95mm T1.7 L SP

：approx. 1.8-3.7 m,

12 ft

Rods

Screw supplied with

the lens support

Lens support

xing screws

2/4

EXTERNAL VIEW

F type

（

EF mount

）

SPECIFICATIONS

CN-E20-50mm T2.4 L F (EF mount)

CN-E20-50mm T2.4 L FP (PL mount)

Focal Length 20-50 mm

Maximum Relative Aperture (T no) 1 : 2.4

Iris Blade

Image Circle

46.4 mm

Aspect Ratio

1.78 : 1 1.9 : 1 1.5 : 1 1.9 : 1

Dimensions H （

V）

35.7×20.1 38.1×20.1 40.96×21.6 mm mm 36×24 mm mm

Angle of View

（H

V）

Wide angle

end

83.5° / 53.4° 87.2° / 53.4° 91.4° / 56.7°84.0° / 61.9°

Telephoto end

39.3° / 22.7° 41.7° / 22.7° 44.5° / 24.4°39.6° / 27.0°

Minimum Object Distance

(M.O.D.)

[from the image sensor]

0.6 m (2')

Object Dimensions

at M.O.D. H （

V）

Wide angle

end

64.9×36.6 cm 69.3×36.6 cm 65.5×43.7 cm 74.5×39.3 cm

Telephoto end

24.7×13.9 cm 26.4×13.9 cm 24.9×16.6 cm 28.4×15.0 cm

Front Diameter

114 mm

Thread for lters

112 mm

1.0

Size

(W × H × L)

Approx. 131.2×133.6×241.3 mm (EF mount)

Approx. 131.2×133.6×233.3 mm (PL mount)

Weight 3.3 kgApprox.

• A variety of professional camera accessories compatible with the

15 mm and

19 mm rod system can be used with

this lens.

• Lenses compatible with Full-frame, Super 35mm, APS-H and APS-C Sensor cameras.

When mounted on a camera with a di󰀨erent

image

size,the angle of view changes.

115.6

UNIC1/4-20

241.3

155

100.1

62.7

5.5

φ114

φ54

133.6

φ17

UNIC3/8-16

（）Unit : mm

133.6

107.6

UNIC1/4-20

233.3

147

92.1

54.7

13.3

φ114

φ54

133.6

φ17

UNIC3/8-16

（）Unit : mm

Note

This lens is a full manual lens for shooting movies.

• When used to shoot still images or when manual operations are performed in AE or other Auto modes, the lens may not

operate properly or the indications may not be correct.

• Do not operate the lens during initialization of the camera settings.

• This lens is developed primarily for movie production, and have a color balance typical for movies. This means that the

color reproduction is warmer than that of EF lenses which are basically used to shoot still images. Therefore, when using

both types of lens together, adjust the color balance (redo the white balance etc.) as necessary.

• In general, the depth of eld becomes shallow and the focusing range becomes extremely narrow near the widest aperture

and when shooting a subject at close range. In addition, this tendency increases for lenses with longer focal lengths. When

shooting images, carefully check the focusing condition using the zoom mode of the nder or other means, and shoot a

su󰀩cient number of test images before performing focus operations.

(for EF mount Lens only)

• The T number is printed on the iris ring of this lens, but the F value may be displayed on the camera side.

• Information of the focal length displayed on the camera side omits the gures below the decimal point.

FP type

（

mount

）

Focus drive gear Zoom drive gear Iris drive gear

Number of teeth 162 148 140

Module 0.8 0.8 0.8

P.C.D. 129.6 mm 118.4 mm 112 mm

Angular rotation 93.5° 55°300°

Spur gear specications

CN-E20-50mm T2.4 L F

/ CN-E20-50mm T2.4 L FP

EXTERNAL VIEW

F type

（

EF mount

）

SPECIFICATIONS

CN-E45-135mm T2.4 L F (EF mount)

CN-E45-135mm T2.4 L FP (PL mount)

Focal Length 45-135 mm

Maximum Relative Aperture (T no) 1 : 2.4

Iris Blade

Image Circle

46.4 mm

Aspect Ratio

1.78 : 1 1.9 : 1 1.5 : 1 1.9 : 1

Dimensions H （

V）

35.7×20.1 38.1×20.1 40.96×21.6 mm mm 36×24 mm mm

Angle of View

（H

V）

Wide angle

end

43.3° / 25.2° 45.9° / 25.2° 43.6° / 29.9° 48.9° / 27.0°

Telephoto end

15.1° / 8.5° 16.1° / 8.5° 17.3° / 9.1°15.2° / 10.2°

Minimum Object Distance

(M.O.D.)

[from the image sensor]

1.0 m (3'4")

Object Dimensions

at M.O.D. H （

V）

Wide angle

end

67.2×37.8cm 71.7×37.8cm 67.7×45.2cm 77.1×40.6cm

Telephoto end

21.6×12.1cm 21.7×14.5cm23.0×12.1cm 24.7×13.0cm

Front Diameter

114 mm

Thread for lters

112 mm

1.0

Size

(W × H × L)

Approx. 131.2×133.6×246.4 mm (EF mount)

Approx. 131.2×133.6×238.4 mm (PL mount)

Weight 3.4 kgApprox.

• A variety of professional camera accessories compatible with the

15 mm and

19 mm rod system can be used with

this lens.

• Lenses compatible with Full-frame, Super 35mm, APS-H and APS-C Sensor cameras.

When mounted on a camera with a di󰀨erent

image

size,the angle of view changes.

UNIC1/4-20

（）Unit : mm

φ17

UNIC3/8-16

115.6

φ114

φ54

133.6

246.4

155

100.1

62.7

5.5

φ17

UNIC3/8-16

（）Unit : mm

UNIC1/4-20

133.6

107.6

φ114

φ54

238.4