Focus
Manual
Mount
Nikon F
Format
35mm full frame
Groups
8
Elements
10
Weight
2470g
Filter Thread
122mm
Length mm
214
Spec Notes
10/8 with 2 ED elements and internal focusing - the fast super-tele. 122mm filter. AI (1977) + AI-S + 'AI-S New' (gel holder) fold (coupling/hood only).
Diameter mm
138
Max Aperture
f/2
Min Aperture
f/22
Min Focus Distance
250cm
Aperture Blades
9
Introduced
1977
Max Magnification
1:9.5