BeLomo plant
Fish eye lens MC PELENG 17mm f/2,8 
for Wide Angle SLR DSLR camera with CanonEOS rear mount ( + rear mount for Olympus)

The lens produces a very sharp image. Distortion is barely noticeable. 
The lens has very, very small short focus distance. Only 30 cm. It is possible to photograph small objects without any problems. In this case, the lens bokeh is very peculiar.
MC Peleng A 17mm f/2,8 is a fish-eye multicoated coated lens, manufactured by the BeLOMO. The Peleng version was designed for SLR cameras with  Canon EOS mount via a changeable rear part . Also comes with mount Olympus (?)

The resolution according to the technical specifications (center/edge):  60/30 lpmm;
Angle of  view: 180°;
Coefficient of transparency: 0.85;
Focal length - 17mm
Minimum Aperture - 16
Maximum Aperture - 2,8
Mount - M42
BeLOMO plants (2010 year) 
S/n 10106

Condition: Very good condition! The diaphragm is working properly. Focus is smooth. The glasses are clean and clear. No scretches. No fungus. Apperture blades are a few oiled.

Happy bidding !