Krupnoformat Prototype

A complete unknown Russian Large format camera.

This 9x12 format camera and was shown at Brussels Fair 1958.

The pictures were taken from Sovietskoe Foto magazine November 1957

Characteristics:



Revolving back. German and Graflex compatible single or double chassis 9x12 & 4x5”

Closed dimensions: 160х160х85 mm (160x160x55mm without back movement)

Opened base positions: 90º for normal use, 105º for wide angle use.

Front displacement : +/-17 mm,

Fall =5 mm (when base is at 90º. Much more with base at 105º), Rise = 30 mm

Rotation +/-10 ° (vertical axis) 15 ° (horizontal)

weight with basic objective: 2,2 kg

Back movement 60mm (on each corner)

Full bellows movement = 280mm

Sheet film, Roll film “Rada” type and “Moment” back Polaroid type

Two position handle gripping.

Uncoupled rangefinder having optical finder for 140/135mm and 80mm fields and parallax compensation

Focusing via matte screen but camera has an universal scale of distances which allows the use of any objective from 9,0 up to 21,0 cm focal length

Objectives Plate coupling “Industar -55” 1:4.5/140mm and “Orion” 1:6;3/80mm giving 86º horizontal coverage.

“Moment” shutter size 0 B-1 – 1/250 “X” synchro shared by the two lenses. (this is the same shutter used on Moskva cameras.

Design of A.Vorozhbit
(source novacon.com.br)