Focus
Manual
Mount
Nikon F
Format
35mm full frame
Groups
7
Elements
9
Weight
400g
Filter Thread
52mm
Spec Notes
9/7 (same optics as the AI). AI-S, 9 aperture blades (up from 7). Produced 1981-2005.
Max Aperture
f/1.4
Min Focus Distance
30cm
Aperture Blades
9
Introduced
1981