Focus
Autofocus
Macro
Yes
Mount
Pentax KAF2
Format
35mm full frame
Groups
4
Elements
5
Weight
220g
Filter Thread
49mm
Spec Notes
Budget 1:2 macro (shared optics with later DA-line 100/3.5). 49mm. Produced 1998-2004.
Max Aperture
f/3.5
Min Focus Distance
45cm
Aperture Blades
8
Introduced
1998
Reproduction Ratio
1:2