Mount
Pentax KAF4
Notes
Ultra-slim pancake, 9.2mm thin
Groups
4
Elements
5
Weight
52g
Autofocus
Yes
Filter Thread
27mm
Length mm
9
Diameter mm
63
Max Aperture
f/2.8
Min Aperture
f/22
Image Circle
APS-C
Min Aperture
22
Min Focus Distance
40cm
Aperture Blades
9
Introduced
2012
Focal Length (Max)
40mm
Focal Length (Min)
40mm