Focus
Manual
Macro
Yes
Mount
Pentax K
Format
35mm full frame
Groups
3
Elements
5
Weight
340g
Filter Thread
49mm
Spec Notes
1:2; 1:1 with ~50mm extension. 49mm. Produced 1984-1989.
Max Aperture
f/4
Min Focus Distance
45cm
Aperture Blades
6
Introduced
1984
Reproduction Ratio
1:2