Film: 135mm  (24 x 36 mm),

Objective: Sekor 1:2,8/40 mm.

 

• Type: 35mm
• Released: September 1959 (f/2.8) and May 1960 (f/1.9)
• Original Price: ¥ 18,500 (f/2.8) and ¥ 22,800 (f/1.9)
• Image size: 24 × 36mm
• Lens:
  • Mamiya-Sekor T 48mm f/2.8 (3 elements in 3 groups)
  • Mamiya-Sekor F 48mm F/1.9 (6 elements in 4 groups)
• Viewfinder: Reverse Galilean viewfinder, automatic parallax correction
  • Focusing: Double image coincidence rangefinder
  • Magnification 0.66
  • Baseline length 31.5mm
  • Effective baseline length 20.8mm
• Shutter: Copal SVK leaf shutter with self-timer, B + 1 – 1/500
• Flash Sync: M · X contact (full sync)
• Film Advance: Lever (175 degrees)
• Exposure Metering: Built-in selenium meter with coupled match needle (visible on top only)
• Size and weight: 79 × 131 × 72mm · 680g (f/2.8) or 79 × 131 × 73mm · 774g (f/1.9)