Focus
Manual
Mount
Olympus OM
Format
35mm full frame
Groups
11
Coating
multi-coated
Elements
15
Weight
890g
Filter Thread
55mm
Length mm
196
Spec Notes
Long early tele zoom. Catalog weight 890g (Kamerastore measures 798g — conflict noted). Marking-order variants (ZUIKO MC AUTO-ZOOM vs ZUIKO AUTO-ZOOM MC, both 1979-era) fold; a pre-MC version is reported but not sourced -> year omitted.
Max Aperture
f/5
Min Focus Distance
200cm
Aperture Blades
8
Focal Length (Max)
250mm
Focal Length (Min)
85mm