10th Anniversary 2012-2022
More than just a camera lens database
1967

Ricoh M42 system

Discontinued

A system consisting of fully mechanical 35mm SLR cameras with TTL exposure metering and an extensive line of M42 screw mount lenses, from ultra wide angle to super telephoto. The first two cameras in the system - Singlex TLS (1967) and TLS 401 (1970) - provided stop down metering, the latter also allowed to choose either spot or average metering. The SLX 500 (1975) is a stripped-down version of the Singlex TLS with a shutter speed range of 1/30 - 1/500 sec. The Singlex II (1976) is similar to the Singlex TLS, but the shutter speed dial is located on the top of the camera body. The Auto TLS EE (1976) added full aperture exposure metering and shutter-priority automatic exposure metering with Rikenon EE (Electric-Eye) lenses. A number of lenses were rebranded Tomioka designs.

Camera lineup

M42 mount lens lineup

Ultra-wide angle prime lenses
4.0 Ricoh Auto Rikenon 17mm F/4 ⌀72Rebranded lensPro
3.8 Ricoh Auto Rikenon 21mm F/3.8 ⌀72Rebranded lensPro
Wide-angle prime lenses
2.8 Ricoh Auto Rikenon 24mm F/2.8 ⌀62
2.8 Ricoh Auto Rikenon 28mm F/2.8 ⌀58
2.8 Ricoh Auto Rikenon 28mm F/2.8 EE ⌀58
2.8 Ricoh Auto Rikenon 35mm F/2.8 ⌀49
2.8 Ricoh Auto Rikenon 35mm F/2.8 EE ⌀52
Standard prime lenses
2.8 Ricoh Auto Rikenon 50mm F/2.8 ⌀52
2.0 Ricoh Auto Rikenon 50mm F/2 ⌀52
1.7 Ricoh Auto Rikenon 50mm F/1.7 ⌀52
1.7 Ricoh Auto Rikenon 50mm F/1.7 EE
1.4 Ricoh Auto Rikenon 50mm F/1.4 EE
2.8 Ricoh Auto Rikenon 55mm F/2.8 ⌀52
1.8 Ricoh Auto Rikenon 55mm F/1.8 ⌀52
1.4 Ricoh Auto Rikenon 55mm F/1.4 ⌀52
Medium telephoto prime lenses
3.5 Ricoh Auto Rikenon 135mm F/3.5 ⌀49
2.8 Ricoh Auto Rikenon 135mm F/2.8 ⌀55
2.8 Ricoh Auto Rikenon 135mm F/2.8 EE ⌀55
3.5 Ricoh Auto Rikenon 200mm F/3.5 ⌀67
3.5 Ricoh Auto Rikenon 200mm F/3.5 EE ⌀62
Super telephoto prime lenses
5.5 Ricoh Auto Rikenon 300mm F/5.5 ⌀62Pro
6.3 Ricoh Auto Rikenon 400mm F/6.3 ⌀72Pro
8 Ricoh Rikenon 600mm F/8 ⌀90Pro
8 Ricoh Rikenon 800mm F/8 ⌀112Pro
Macro lenses
2.8 Ricoh Rikenon 60mm F/2.8 Macro ⌀581:1Rebranded lens
3.5 Ricoh Rikenon 135mm F/3.5 ⌀49For bellowsPro
Telephoto zoom lenses
3.5 Ricoh Auto Rikenon 55-135mm F/3.5 ⌀62
4.5 Ricoh Auto Rikenon 70-230mm F/4.5 ⌀67
5.8 Ricoh Auto Rikenon 90-190mm F/5.8 ⌀55

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