TECHNICAL CHARACTERISTICS
Maximum aperture f / 6,3

Minimum aperture f / 32

Aperture scale  32   22   16   11   8   6,3

Focus: Manual focus

Mount - M45

Format: Large format
Type: Fixed focal length (fixed)
Focus: Manual focus
System: Large format
Optical design: 6 elements in 4 groups symmetrical Plasma

Additional Information:
Rear vertex distance (from the edge of the rear lens to the film / matrix) 129 mm
Coverage circle when focusing at infinity 70mm
Front lens diameter 32mm
Rear lens diameter 32mm
Fastening seating thread M45 *
Resolution 330 lines on micrat film
Corrector 1: 6.3 F = 150 (4x5 ") - a projection lens for transferring an image to a photographic plate 12x18cm.