Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
5
Elements
6
Weight
221g
Filter Thread
52mm
Spec Notes
The de-tuned twin of the 55/1.8 (same 6/5 platform). 52mm filter. Produced 1976-1977.
Max Aperture
f/2
Min Focus Distance
45cm
Aperture Blades
6
Introduced
1976