FED Stereo Manual

FED Ikke kategoriseret Stereo

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FED Stereo User manual

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FED Stereo

Stereoscopic Camera

This text is identical to the one in the Instruction Manual, English version.

ATTENTION

When purchasing a stereoscopic cameras be sure to check it for completeness, be sure that there are

shop stamps, seller’s signature and date of sale in the Guarantee Certificate.

Prior to operate the camera, read through enclosed Operating Instruction carefully.

Keeping of all pointed in it rules will ensure the reliable operation of your camera.

ATTENTION!

To prevent double-exposition of the stereocouples it is necessary to cock shutter lever completely until

it stops.

1. General

The stereoscopic photography will discover for you a new world of exciting and creative activity.

Three-dimensional color pictures will produce for you a vivid effect of presence in scene. The

stereoscopic camera “FED-stereo” (hereinafter referred to as camera) is designed to permit the

amateurs to take stereoscopic photographs in quantity of 21 stereoscopic couples with the exposure

size of 24×30 mm on a standard 35 mm photographic film.

The camera is manufactured in two models: “FED-stereo M” and “FED B-O-Y stereo”, “FED B-O-

Y stereo” differs by the following:

— more precise operation of the automatics and shutters;

— more precise matching of the pictures of both channels; depth scale of the best stereoscopic

view;

— another distance numbers on the distance scale;

— diaphragm number “5,6” with exposition time “B”,

— improved design of the film sensitivity setting mechanism.

Cameras may be manufactured with distance scales, expressed in

meters or in meters and reef.

Reversal and negative black-and-white or color film can be used

when taking stereoscopic photographs.

A photographer may use a developed reversal film to make

stereoscopic slides, the purchased or self-made stereoscopic frames

being used for this purpose. A negative film can he used to make

pictures on photographic paper to use them as photographs of a common type or stereoscopic couples.

Speaking a little about a stereoscopic photography. Two identical lenses in the camera permit a

FED Stereo User manual

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photographer to make two discriminated flat images on a film, these two images forming a

stereoscopic couple which can be projected on a screen through use of the stereoscopic diascope

“ETUDE-stereo” thus producing a three-dimensional image picture.

In fact, a man sees the surrounding objects in as much as similar manner due to stereoscopic visual

perception of his own (see the diagram).

Physical nature of a stereoscopic visual perception is as follows. Either eye of a man projects,

through its crystalline lens, a flat image of the object seen onto its retina. Since the eyes are set apart

through a certain distance (basis), the two images of the object being viewed will be presented in a

discriminated form (Bˈ ˈ ˈˈ ˈˈA = B A ). Image discrimination is a result of the distance difference

regarding different points of the object being viewed.

This image discrimination is percepted by the optic cells of a man’s central nervous system in a

form of the shift of different points scattered in space and viewed in depth. The camera is provided

with a paired shutter-diaphragm unit arranged behind the camera lenses. The shutter is cocked and the

film is transported by means of a common release lever.

The camera is provided with interlocking for the release button and for the shutter cocking lever.

This provision is made to prevent a mis-operation of the film transport mechanism (overlap of the

stereospcopic couples).

Arrangement of the stereoscopic couples is shown in the figure. Provision is also made for

interlocking of the release button when the camera operates in an automatic mode under unfavorable

illumination condition. To permit fine setting of the exposure of a stereoscopic picture there is an

illuminated exposure-limiting frame within the field of vision of the viewfinder. The camera is

provided with a self-resetting counter of the stereoscopic couples. To facilitate the assembly

procedure, one of the exposure frames has a match mark.

2. Specification

Exposure size: mm 24×30 Automatic operation mode: exposure (s) and stop

ratio from 1/30 and 1: 2.8 — to 1/650 and 1:14

Number or stereoscopic couples obtained:

minimum 21

Manual operation mode: exposure, s 1/30 and B

Photograph basis: mm 63.4 Lens stop: from 1:2 8 to 1:11 at 1/30 exposure

and 1:5.6 at B

Lens: Industar-81 (“FED B-O-Y Stereo”)

Viewfinder

1:2.8 at “B” (“FED — Stereo M’) with

illuminated exposure-limiting frame

Focal distance: 38 mm Synchronization with electronic pulse flash bulb:

“X” contact cell

Maximum relative aperture: 1:2.8 Power source: SR44 type; 1.5 V

Focusing range, 1m to (infinity) — from 3.3ft ∞

to (infinity) ∞

Stand seat mounting

dimensions: 1/4 ʺ

Mounting dimensions threadless attachments:

27mm

Weight of the stereoscopic camera, kg,

maximum: 0.8

Threaded attachments: mm M25.5 5 × 0 5

Shutter: aperture type

Produkt Specifikationer

Mærke:	FED
Kategori:	Ikke kategoriseret
Model:	Stereo

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