Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
8
Elements
8
Weight
150g
Filter Thread
49mm
Spec Notes
Radically compact redesign (8/8, 49mm, 150g) vs the K 20/4 (12/10, 58mm) - a different lens. Produced 1977-1984.
Max Aperture
f/4
Min Focus Distance
25cm
Aperture Blades
5
Introduced
1977