Zoom
Yes
Focus
Manual
Macro
Yes
Mount
Pentax K
Format
35mm full frame
Groups
7
Elements
7
Weight
395g
Filter Thread
49mm
Spec Notes
f/2.8-4 with 1:4 macro at 80mm (barrel extension). 49mm, push-pull. Produced 1980-1984.
Max Aperture
f/2.8
Min Focus Distance
120cm
Aperture Blades
7
Introduced
1980
Reproduction Ratio
1:4