Contax Cameras UK Limited

35mm SLR - RTSIII - Specification


35mm focal plane shutter AE SLR

Lens Mount

Contax/Yashica MM mount


Electronically controlled, vertical travel, metal focal plane shutter

Shutter Speed

Auto: 32 seconds to 1/8000 second
Manual: 4 seconds to 1/8000 second, B, X (1/250)  


Electronic; 10 or 2 second delay (selectable); cancellable

Shutter Release

Electromagnetic; additional side release for vertical camera positioning, cable release socket, B (bulb)

Exposure Control Mode

Aperture priority AE, shutter speed priority AE, Manual exposure (M).

Metering System

TTL full aperture, center weighted average metering, TTL full aperture spot metering

Flash Control

TTL direct flash control; pre-flash TTL spot metering function built-in

Accessory Shoe

TLA direct shoe and via synch terminal connection. TTL direct flash control possible with TLA flash system.

Flash Synchronization

Shutter speed is automatically set when a dedicated flash is fully charged
*Automatic shutter speed depends on camera's originally set conditions and surrounding light. Second curtain synch is possible with a Contax flash having second curtain synch capability.

Metering Photo Sensor

SPD cell

Metering Range (ISO 100 f/1.4)

Center weighted average metering (EV 0 to 21)
Spot metering (EV 3 to 21)

Film Speed Coupling Range

Auto with DX films from ISo 25 to 5000
Manual setting from ISO 6 to 6400

Exposure Compensation

+/- 2EV in 1/3 increments

Automatic Bracketing Control

3 frame continuous exposure compensation by selecting +/-0.5 EV or +/- 1.0 EV

AE Lock

With the main switch, continuous usage possible


Fixed pentaprism, eye level with long eye point, built in eyepiece shutter

Diopter Adjustment

Internally adjustable from +1D to -3D

Focusing Screen

Horizontal split/microprism (FV-1 standard), interchangeable

Field of View / Magnification

0.74x magnification and approximately 100% field of view (with 50mm lens at infinity and -1D diopter).

Viewfinder Information

Shutter speed, under/over exposure, exposure counter, A.B.C. display, pre-flash display, flash status indicator, aperture, exposure mode, exposure compensation warning, light metering mode

Display Panel

Exposure counter, film transport indicator, battery warning, remaining time for self-timer and elapsed time in bulb shooting mode, A.B.C. display

Film Winding

Auto wind with built-in motor. Maximum approximately 5 fps, 3fps, continuous, single, selectable.

Exposure Counter

Auto resetting, additive type; countdown in rewinding. Displayed in viewfinder and on the display panel.

Film Rewinding

Auto rewind with built-in motor. Mid-roll rewind

Multiple Exposure

Possible by pre-setting the drive mode selector.


Dedicated lever

Camera Back Cover

Detachable, with RTV (Real Time Vacuum) mechanism. Provided with dating unit, imprinting mabe between frames

Depth of Field Preview

By pushing preview button.

Power Requirement

6 "AA" type batteries or one 2CR5 Lithium battery

Battery Check


External Camera Body Materials

Magnesium/zinc alloy top cover, titanium bottom cover


6 3/16"H x 4 13/16"W x 2 5/8" D


2.53 pounds

Optional Accessories

Flexible Case C-1, FV Focusing Screens (5 types), FM Diopter Lenses (2 types: FM +2, FM-3).




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