Focus
Manual
Mount
Olympus OM
Format
35mm full frame
Groups
9
Elements
11
Weight
250g
Length mm
42
Spec Notes
Widest rectilinear OM prime. Takes 72mm filters via the dedicated 49->72 adapter (no direct thread) -> filter Mm omitted. Literature claiming 12el/10gr describes the unmarketed prototype, not the production lens.
Diameter mm
62
Max Aperture
f/3.5
Min Focus Distance
25cm
Focal Length (Max)
18mm
Focal Length (Min)
18mm