Focus
Manual
Mount
Pentax K
Format
35mm full frame
Weight
271g
Filter Thread
52mm
Length mm
46
Generation
XR Rikenon
Stabilized
No
Diameter mm
64
Max Aperture
f/1.4
Min Focus Distance
45cm
Weather Sealed
No
Aperture Blades
8
Introduced
1977
Focal Length (Max)
50mm
Focal Length (Min)
50mm