The Industar I-51 was a large format 210mm f4.5 lens. A solid piece of optics made by KOMZ in Kazan, often found on FKD 13x18cm large format travel cameras. It had 20 aperture blades to stop down from f4.5 to f32 with round opening at all sizes. Its brand name Industar was used for all similar 4-element/3-group lens constructions of the whole soviet photo-optical industry.


Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.