ST901

General Description
Open-aperture TTL metering, first camera with a digital readout of shutter speed in the finder.
Specifications
Type 35mm focal-plane shutter single-lens reflex camera with TTL exposure meter coupled with the shutter and diaphragm 
Film Used  135 cartridge-packed film 
Picture Size  24 x 36mm
Normal Lens

FUJINON 50mm F1.4 (6 components, 7 element), or FUJINON 55mm F1.8 (4 components, 6 elements). Automatic diaphragm, multiple increment F-stop, calibrations with click stops for intermediate values, screw mount. Rectilinear helicoidal focusing. 49mm Æ screw-in filter.

Shooting Distance

0.45m - ¥ with F1.4 50mm and F1.8 55mm lenses

Shutter Rubberized cloth focal plane. 20~1/1000 sec. continuously variable speed, (Automatic Electronic Shutter). B, 1/60, 1/125, 1/250, 1/500, 1/1000 sec. (Mechanical Shutter). Lockable at AUTO with provision for fractional exposure control   (2 stops over and under in 1/3rd stop progression).
Viewfinder Fixed pentagonal prism, 0.96x magnification, 92% field of view (effective picture size with 1:1.8 f=55mm lens).
Focusing Three-way: split-image, microprism and ground glass.
Eyepiece shutter Built-in finder eyepiece shutter for shielding the finder from stray light.
Mirror Quick return.

Exposure

Meter

TTL full aperture average light metering. Aperture-preferred automatic exposure. Meter activated by shutter release button. Provision for stopped-down metering. Silicon photocells coupled to FET-LSI  circuitry. Photocells located on both sides of the view finder eyepiece.
Coupled Range EV-3-18  (ASA 100 f1.4 20 sec. ~ f16 1/1000 sec), adjustable to ASA 25~3200
Power Source One 6V alkali-manganese or silver battery (Eveready No. 537 or No. 544).

Film Advance

Single-stroke lever advances film and cocks shutter. Lever returnable to starting position from any winding position. 20° latitude provided by lever tip.
Frame Counter Automatic reset, additive.
Film Rewind Hand crank
Flash Synchronization FP, X, Hotshoe
Lens Mount Praktica screw mount, 42 Æ, 1 P mm
Dimensions 133 x 92 x 91 mm (with f/1.8 lens)
Weight 830g (with f/1.8) lens), 630g (body alone)
Accessories Hard case, shoulder pad, strap, lens cap.
Manual You can download a copy of the manual Here The password is Fujica
SPT Journal Repair Notes You can download a copy of the manual Here The password is Fujica