Focus
Autofocus
Mount
Pentax KAF2
Format
35mm full frame
Groups
5
Elements
5
Weight
195g
Filter Thread
49mm
Soft Focus
Yes
Spec Notes
Dedicated soft-focus wide (softness aperture-controlled). 49mm filter. Produced 1997-2004. Element count mirrors the FA 28/2.8 AL base - cross-check before publishing.
Max Aperture
f/2.8
Min Focus Distance
30cm
Aperture Blades
6
Introduced
1997