Focus
Manual
Mount
Olympus OM
Format
35mm full frame
Groups
7
Coating
multi-coated
Elements
9
Weight
320g
Filter Thread
55mm
Length mm
55
Spec Notes
Fast standard macro (to 1:2 unaided) with floating elements; the first f/2 50mm macro. Two inscription series fold. Produced 1985-2002.
Diameter mm
69
Max Aperture
f/2
Min Focus Distance
24cm
Aperture Blades
6
Introduced
1985
Focal Length (Max)
50mm
Focal Length (Min)
50mm