Lens mount: Canon/M42
The focal length is 58 mm.
The maximum aperture is 2.0.
The minimum aperture is 16.
The number of aperture blades is 6.
The number of lenses / groups is 6/4.
The minimum focusing distance is 0.5 m.
Resolution center / edge - 45/25 lines per mm.
Light transmission - 0.90.
The working distance is 45.5 mm.
Attachment attachments - threaded m52.
(The adapter can be changed!
Write to us and we will help you.)