| Camera
Type |
35 mm viewfinder
stereo camera |
| Manufacturer |
Three
Dimension Co., Chicago, IL, USA (A Division of Bell & Howell) |
| Year
Introduced |
about 1954 |
| Film |
135 cartridge |
| Size |
163
x 83 x 59 mm (W x H x D) |
| Weight |
747 grams |
| Lens
Separation |
65.15
mm |
| Image
Format |
23.82
x 25.00 mm (W x H), notch on the right |
| Image
Window Separation |
66.42
mm |
| Lenses |
Tridar
Anastigmat (glass, matched), 1:3.5/35 mm, filter thread 26 mm |
| Diaphragms |
Iris diaphragms
between the lenses, continuously adjustable f/3.5 to f/16 |
| Focusing |
manual, 4
ft. - infinity. Movement of the film level. (focusing wheel marked from
2 ¾ ft. - infinity) |
| Shutter |
mechanical
guillotine type shutter behind the lenses. Cocked with film transport. |
| Shutter
Speeds |
continuously
adjustable from 1/100 to 1/10 sec. and "B" |
| Viewfinder |
Newton
viewfinder (approx. 0,5x). Spirit level reflected into viewfinder |
| Rangefinder |
Split-image
rangefinder (linked with focus), base length 60.5 mm |
| Film
Loading |
manual |
| Film
Transport |
manual, with
wind knob by 10 sprocket holes (= 47.5 mm), sprocket wheel on top and bottom |
| Film
Rewinding |
manual. Unlocking
by lifting wind button |
| Frame
Counter |
subtractive,
29 to 1. Manual reset. |
| Flash
Contact |
special flash
contact |
| Tripod
Socket |
¼“
/ 20 TPI |
| Selftimer |
n/a |
| Special
Features |
Double exposure
prevention. Lugs for carrying-strap |
| Accessories |
Operating
instructions, everready case |
| Notes |
The
film travels in a loop in order to achieve a smaller inter-ocular distance.
Shutter Speed and Diaphragm Settings are linked
with an "ExpoSure" exposure calculator. |