Focus
Manual
Mount
M42
Format
35mm full frame
Groups
6
Made By
Riken Optical Co.
Elements
6
Filter Thread
49mm
Generation
Auto Rikenon
Stabilized
No
Max Aperture
f/2.8
Min Aperture
f/16
Min Focus Distance
40cm
Weather Sealed
No
Aperture Blades
8
Focal Length (Max)
35mm
Focal Length (Min)
35mm