Focus
Manual
Mount
Leica screw mount (M39)
Format
35mm full frame
Country
Japan
Made By
Chiyoda Kogaku (Chiyoko)
Elements
6 elements in 4 groups
Weight
155g
Filter Thread
34mm
Production
1950–1957
Stabilized
No
Max Aperture
f/2
Min Aperture
f/16
Focal Length
50mm
Min Focus Distance
90cm
Weather Sealed
No
Aperture Blades
10
Rangefinder Coupled
Yes