Focus
Manual
Mount
Nikon F
Format
35mm full frame
Groups
5
Elements
5
Weight
308g
Filter Thread
52mm
Length mm
52.9
Spec Notes
5/5, a new design replacing the f/1.8's 6/4. Multicoated. AI (1977) + AI-S (1981-95) fold (coupling/throw only).
Diameter mm
63.6
Max Aperture
f/2
Min Focus Distance
85cm
Aperture Blades
7
Introduced
1977
Max Magnification
1:8.1