10th Anniversary 2012-2022
More than just a camera lens database
1952

Asahiflex M37 system

Discontinued

Japan's first 35mm SLR system. The first camera in the lineup - Asahiflex I (1952) - featured a quick-return mirror mechanism: when the shutter-release button was pressed, the mirror was raised and held in the raised position, and after releasing the shutter button, it returned to its original position, reopening the viewfinder. The Asahiflex IA, introduced in 1953, received standardized shutter speeds. The Asahiflex IIB (1954) was one of the first cameras with an instant-return mirror mechanism, which no longer required the release of the shutter button. Asahiflex IIA (1955) received an extended shutter speed range up to 1/2 sec.

All Asahiflex cameras used the original M37 screw mount. A small line of Takumar lenses was produced, consisting of compact standard and telephoto prime lenses, as well as a 500mm super telephoto lens. All lenses were equipped with preset diaphragm, with the exception of the 50/3.5 (1952) and 500mm, which had manual diaphragm.

Camera lineup

M37 mount lens lineup

Fisheye lenses
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Ultra-wide angle prime lenses
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Wide-angle prime lenses
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Standard prime lenses
3.5 Asahi Takumar 50mm F/3.5 [I] [M37] A32Pancake lens 1952 
3.5 Asahi Takumar 50mm F/3.5 [II] [M37] A32Pancake lens 1953 
2.4 Asahi Takumar 58mm F/2.4 [M37] ⌀39 1954 
Short telephoto prime lenses
1.9 Asahi Takumar 83mm F/1.9 [I] [M37] ⌀49 1953 
1.9 Asahi Takumar 83mm F/1.9 [II] [M37] ⌀49 1955 
3.5 Asahi Takumar 100mm F/3.5 [M37] ⌀33.5 1952 
Medium telephoto prime lenses
3.5 Asahi Tele-Takumar 135mm F/3.5 [M37] ⌀43 1953 
Super telephoto prime lenses
5.0 Asahi Tele-photo Takumar 500mm F/5 [M37]Pro 1953 
Macro lenses
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Shift lenses
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Wide-angle zoom lenses
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Standard zoom lenses
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Telephoto zoom lenses
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Superzoom lenses
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