Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
4
Elements
5
Weight
294g
Filter Thread
52mm
Spec Notes
The only 105mm Pentax made in K-bayonet (105 is K-only). 52mm filter. Produced 1975-1977.
Max Aperture
f/2.8
Min Focus Distance
120cm
Aperture Blades
6
Introduced
1975