S Lenses


Serenar 50mm f/3.5 I

  • Specifications
  • Block diagram
Marketed January 1946
Original Price sold overseas only
Lens Construction (group) 3
Lens Construction (element) 4
No. of Diaphragm Blades
Minimum Aperture 16
Closest Focusing Distance (m) 1
Maximum Magnification (x)
Filter Diameter (mm)
Maximum Diameter x Length (mm) 47 x 33.8
Weight (g) 170

This is the first lens manufactured by Canon. A standard lens for popular type rangefinder camera, the Canon J, marketed in the spring of 1939. The thread mount of 24 screw thread per inch with 1.058mm pitch was used instead of Leica specification, popular at the time.

Block diagram