Specifications for Pentax ZX-M film Camera

The following are specifications for the ZX-M camera.  Models vary depending on what year they were made.


Type    Multi-Exposure Mode.


Format    24x36mm.


Usable Film    35mm perforated cartridge film.  DX-coded film with ISO 25-5000; non-DX coded
                         films with ISO 6-6400.

Exposure Modes        Programed AE Mode, Shutter-Priority AE Mode, Aperture-Priority AE Mode, Metered Manual Mode, Bulb Mode.


Shutter    Electronically controlled vertical-run focal-plane shutter.  Electromagnetic release, Speed range (1) Auto 1/2000-30 sec. (stepless), (2) Manual 1/2000-2sec.  (3) Bulb.


Lens Mount    Pentax KA2 bayonet mount (K-mount with lens information contacts)


Compatible Lens    Pentax KAF2-, KAF-, KA-, and K-mount lenses are usable.


Viewfinder    Pentamirror finder, Matte field and sprit-image spot with microprism collar focusing screen, Field of view 92%, Magnification0.77X (with 50mm lens at infinity), -1.0 diopter eyepiece.

Viewfinder Indication    Shutter Speed indication, Aperture indication, Flash ready indication, Bar Graph (exposure compensation), Over or Under exposure indication in Manual Exposure Mode, Exposure compensation indication, memory lock indicator.

External LCD panel     [ P ]=ProgramedAE Mode, [ Tv ]=Shutter-Priority AE Mode, [ Av ]=Aperture-Priority AE Mode, [ M ]=Manual Exposure Mode, Film speed=6-6400, ISO indication, Film Status information, Battery exhaustion warning, Film counter=0-99.


Preview Button    Electronically controlled.  Useable in all exposure modes.


Self-Timer    Electronically-controlled type with delay time of 12 sec.  Start by depressing of shutter release button, Operation confirmation: by PCV beep tone.  Cancelable after starting.

Mirror    Quick return mirror.


Film Loading    Film advances automatically to 1st frame after back cover is closed, Film information window is provided.

Film Wind & Rewind     Auto wind/rewind by built-in motor, Consecutive or Single advance mode, Approx.2 frames/sec.(consecutive mode), Auto rewinding starts at end of roll, Film rewind/completion of rewinding is displayed on the LCD panel, mid-roll rewind button will rewind film in mid-roll.


Exposure Meter With FA-, F-, or A-series lenses: TTL multi (2)-segment metering, Metering range from EV1 to EV17.5 at ISO 100 with 50mm f/1.4 lens.  With M-series, screw-mount, or any other lens that does not have information contacts: Center-weighted metering.

Exposure Compensation    +/ 3EV in 0.5EV step increments.


Flash Sync    Hot shoe with X-contact with couplings for Pentax dedicated auto flashes (except FTZ-series flashes), ISO range=25-800.


Flash Sync Speed    1/100 sec. or slower.


Power Source    Two 3V lithium battery (CR2 or equivalent).


Battery Exhaustion Warning    Battery exhaustion symbol is lit (blinking when the shutter is locked).


Dimension and Weight    135.0mm (W) x 90.5mm (H) x 55mm (D) (5.3"x3.6"x2.2") 305g (10.8 oz) body only without batteries.


Date Model
Date Mechanism        Crystal quartz controlled LCD with digital clock, auto calendar up to 2019. 7-segment, 6-digit liquid crystal display.


Imprinting mode        Year / Month / Day,  Day / Month / Year,  Month / Day / Year,  Day / Hour / Minute, and "-------" (blank).


Dimension and Weight    135.00mm (W) x 90.5mm (H) x 55mm (D) (5.3"x3.6"x2.2") 320g (11.3 oz).

Supplied Accessories    Hot Shoe Cover FC, Release Socket Cap F, Camera Strap FG, Eye Cup FH, Finder Cap.

Back Cover    Interchangeable for replacing Data Back FJ.