Industar-51 4,5/210 Large Format Camera Lens

The Industar-51 210 mm f/ 4.5 is a improved version of the previously issued Industar-4.

This lens was for soviet wooden cameras FKD 13x18 cm and was used in aerial photography.

Spesification:

Body is from the brass.

Weight=582 g.

Lens with iris diaphragm from 4.5 to 32.

20 aperture blades

Focal length 210mm

Lens has M60 screwmount