Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
5
Elements
5
Weight
270g
Filter Thread
49mm
Spec Notes
Redesigned lighter than the K 135/3.5. 49mm filter. Element count 5/5 per PentaxForums (some listings say 4/4 - CONFLICT). Produced 1977-1986.
Max Aperture
f/3.5
Min Focus Distance
150cm
Aperture Blades
8
Introduced
1977