Focus
Manual
Macro
Yes
Mount
Pentax K
Format
35mm full frame
Groups
4
Elements
6
Weight
220g
Filter Thread
49mm
Spec Notes
1:2; 1:1 with extension tubes. 49mm. Produced 1984-1988.
Max Aperture
f/2.8
Min Focus Distance
24cm
Aperture Blades
6
Introduced
1984
Reproduction Ratio
1:2