Technical data

The CONTAX RTS is designed to deliver superb
photographic results when mounted with any one of the Carl
Zeiss or YASHICA lenses with Contax/Yashica mount. The
manufacturer will not be held responsible for pictures of
substandard quality when the same camera is used in
combination with lenses other than those specified above.
* 'Real Time' is a computer terminology denoting absence of physical time-lag in disposition of information.
TECHNICAL DATA
Lens Mount: Contax/yashica Mount (three-claw bayonet mount) developed by mutual cooperation of Carl Zeiss,
West Germany, and Yashica, Japan.
Lena: PLANER T** f/ 1.4 50mm standard lens composed of 7 elements in 6 groups, interchangeable with a wide
range of high performance Carl Zeiss lenses.
Shutter: Electronic focal plane shutter of a unique design (primary and secondary shutter curtains uncap to provide
starting from the identical position) * Electronic timing on both Auto and Manual * Shutter speeds continuously
variable from LT (4 sec.) to 1/2000 sec. on Auto; 14 click stop settings from 4 to 1/2000 sec. and B on Manual * x
sync terminal
Shutter Release: Feather-touch magnetic release *Release socket for cable switch and off-hand controls
Exposure Control: Through-the-lens automatic exposure control with SPD sensor above the viewfinder eyepiece
taking center-weighted light reading * Fully automatic exposure through lens aperture preselection (exposure
readout on manual operation) * LED shutter speed display in view finder * EV range from EV -1 to 19 (F1.4 at
ASA 100) * ASA range from 12 to 3200 * Provision for exposure compensation (scale calibrated from x4 to X, 1/4
in between settings feasible) * Operates on 6V silver oxide or alkaline battery (Eveready 544, Ucar 544, Mallory
PX28, Alkaline Eveready 537 or equivalent)
Viewfinder Through-the-lens reflex viewfinder shows up to 92% of the actual picture area * Magnification ratio:
0.87X *
Pentaprism: silver coated and deflection mirror multi-layer coated to ensure maximum brightness of the viewfinder
field.
Focusing : screen interchangeable from the lens mount side
Viewfinder Display: 16-dot LED shutter speed display shows calibrated and in-between speeds * Green shutter
speed pointer overlaps 'A' setting on Auto and indicates shutter control dial setting on manual *Aperture display
shows maximum aperture of the lens in use on the extreme right and f-stop in use in green figure * Exposure
compensation tab appears when the exposure compensation pointer is set at any position other than 'X1'
Film Advance: Film advance lever advances film through a single 140 degree stroke or several short ratchet action
* Exposure counter resets automatically to start position when the back cover is opened