Yoshihisa Maitani's compact SLR, launched as the M-1 in 1972 and renamed OM-1 after Leica objected.
Specifications as stated in the Wikipedia article Verified record
Copied from the infobox of the English Wikipedia article “Olympus OM-1” (revision 1358410498, read 2026-11-12). Fields the article does not state are not listed; nothing is converted or filled in.
Lens mount
Olympus OM mount
Film
135 film
Shutter speeds
1 s – 1/1000 s; Bulb
Exposure modes
Manual
Focus
Manual focus
Flash
Hot shoe
Dimensions
136 × 83 × 50 mm
Weight
490 g (OM-1); 510 g (OM-1n)
Introduced
1972 M-1; 1973 OM-1; 1974 OM-1MD; 1979 OM-1n.
Production
1972-1988
Made in
Japan
Successor
Olympus OM-3
Timeline Verified record
1972 · Announced: The Olympus M-1 (OM-1) is announced at photokina
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