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Contax 137 MA
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The Story Behind |
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Technical
Data
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Manufacturer
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Yashica |
| Build |
1982 |
| Type |
35 mm direct drive SLR
featuring auto exposure; TTL auto flash control |
| Image Size |
24 x 36 mm |
| Lens Mount |
Contax/Yashica C/Y
large-diameter bayonet mount |
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Shutter |
Quarzt-timed electronically controlled horizontal travel type
cloth plane shutter |
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Shutter Speeds |
AUTO mode.... 1/1000 to 11 sec. Manual mode.... 13 settings of
1/1000 to 1 sec., "B" and "X" (1/60 sec.). |
| Sync Contacts |
X contact (1/60 second). |
| Electronic Self-timer |
Quartz-timed, electronic
self-timer with precise 10-second delay. LED flashes to indicate
operation, acceleration 2 seconds before shutter released. |
| Shutter Release |
Real Time Electromagnetic
Release System; auxiliary remote release via "Release Socket"
(electronic accessory connection). |
| Exposure Control |
Through-the-lens (TTL) center-weighted metering at full aperture
using SPD (Silicon Photo Diode) cell. EV range from EV 0 (f/1.4
at 2 sec.) to 18 (f/16 at 1/1000 sec.) at ASA/ISO 100 with f/1.4
lens. ASA/ISO range from 12 to 3200. Exposure metering system:
Coupled to main switch circuit in switching on and off (lights
up and then automatically switches off in ten seconds when the
release button is slightly pressed or when the shutter is
released). |
| Exposure Compensation |
+2 EV ~ -2 EV via exposure
compensation dial (click stops at every 1/2 EV; can be set for
in-between-click stops). |
| AE Lock |
Operated via main switch (locks
in memory-oriented shutter speed). |
| Auto
Flash Control |
Direct TTL metering automatically coupling with Contax TLA Auto
Flash system via an SPD sensor. Synch speed: Shutter speed
automatically set to 1/60 sec. upon completion of recycling. |
| Viewfinder |
Silver-coated, fixed eye-level
pentaprism type with horizontal split-image/microprism focusing
screen; field shows 95% of the picture area; 0.86 X
magnification (with 50 mm lens). |
| Display in Viewfinder |
Shutter speed indicated by
15 indicator LED's; over- and under-exposure indications; Green
LED flash ready/after-flash signal mark; aperture scale;
exposure counter; exposure compensation warning LED. Shutter
speed LED' flash to indicate AE Lock operation. |
| Film Advance |
Fully automatic with Real
Time Direct Drive using the camera's micro-motor. |
| Exposure Modes |
Single or continuous
exposure selected by exposure mode selector; continuous
exposures up to 3 frames per second. |
| Exposure Counter |
One on the camera body and
one in the viewfinder, count increasing order, automatic
resetting type. |
| Accessory Shoe |
Direct X contact, and
accepts TLA Auto Flash system units. |
| Camera Back |
Opens by lifting film rewind knob; with film feed indicator and
memo holder. (Camera back removable) |
| Main Lamp |
Indicates normal camera operation when power is turned on.
Lights green for battery checking. Flashes red when self-timer
is used. |
| Power Source |
Four 1.5 V size AA dry batteries or four 1.2 V size AA
nickel-cadmium batteries. |
| Battery Check |
Combined with the main lamp. The main lamp lights up green when
the batteries are in good condition. |
| Battery Capacity |
About 50 rolls with alkaine dry batteries; about 20 rolls with
manganese dry batteries; about 30 rolls with nickel-cadmium
batteries (assuming all 36-exposure rolls, room temperature,
continuous exposure mode). |
| Dimensions |
143 x 92.5 x 51 mm (W x H x D) |
| Weight |
665 g (without batteries) |
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