Specifications (2nd revised edition, thanks to Frank)
Film Format : 24mm x 36mm
Type: :TTL aperture-priority automatic exposure 35mm SLR camera
Lens mount : "K" type bayonet with 65deg rotating angle
Shutter : Vertically moving Copal CCS-E electronically controlled focal plane shutter. Automatic electronic shutter: continuously variable speeds from LT (approx. 8sec.) to 1/1000 sec. Manual mechanical shutter without batteries: "B" and "X" /1/90 sec.).
Synchronization : X type contact for electronic flash at "B" and "X" (1/90sec.) and 4sec. to 1/125 sec. Hot shoe.
Exposure meter: Three CdS photocells TTL full open metering for center weighted average light reading coupled to aperture-priority automatic exposure system. Coupling range EV 0 - 17 (ASA 100 film with 50mm f/1,4 lens).
Manual exposure : Manual electronic shutter: stepped speed from 4 to1/1000 sec.
Exposure compensation dial : + - 2EV (within the ASA film speed range)
Automatic Flash Control : With Ricoh Speedlite 240, set shutter speed dial at Auto, and it will set shutter speed 1/90 sec. automatically. Manually set the aperture ring to the same aperture set on flash.
Metering system : Full aperture center weighted metering.
Measuring range : EV0 - EV17 (ASA 100 with F 1.4 standard lens).
Light sensors : Three CdS photocells
Film speed Setting : ASA 12 - 3200, By lifting and rotating film speed dial.
Battery check : Ring around shutter release button.
Power source : Two 1.5V silver oxide batteries Eveready S-76 or equivalents or alkaline manganese batteries LR 44
Viewfinder : Fixed pentaprism type finder. Exposure meter needle (also battery checker), Shutter speed indicator and battery check zone.
Focusing : Diagonal split image spot in microprism band surrounded by fresnel field.
Finder view-field : 93% of actual picture area.
Viewfinder Magnification : 0.88 X at infinity with 50mm standard lens
Reflex mirror : Oversize, quick return type (without lockup).
Manual film advance : Lever type with 135° angle for one long stroke , pre-advance angle 40 °, Ricoh XR Winder .
Exposure counter : Progressive type with automatic reset.
Film rewind : Rewind crank
Self-timer : ~ 15sec. delay mechanical self timer.
Camera back : Removable hinge type, with memo holder. Interchangeable with Data Back
Weight : 560g (20 oz.), body alone
Dimensions : 139,9 x 91,3 x 48mm, body alone