Zoom
Yes
Focus
Manual
Mount
Pentax K
Format
35mm full frame
Groups
11
Elements
12
Weight
1050g
Filter Thread
67mm
Spec Notes
Fast heavy constant-f/3.5 K-only tele zoom (no M42 equivalent). 67mm. Produced from 1976.
Max Aperture
f/3.5
Min Focus Distance
350cm
Aperture Blades
9
Introduced
1976