Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
4
Elements
6
Weight
8000g
Filter Thread
52mm
Spec Notes
Catadioptric, FIXED f/13.5. Optically identical to the K Reflex 2000/13.5 (M-badge successor, ~1982). Weight approximate.
Max Aperture
f/13.5
Catadioptric
Yes
Min Focus Distance
2000cm
Introduced
1982