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| Format: Large Format
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: Large format
Optical design: 4 elements in 3 groups, Tessar
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Average price: $40 | Specifications:
Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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210mm | f/4.5 | f/32 | 20 |  | 60 | 298/10,5 | 53/2,1 |
| Additional information:
The Industar-51 210 mm f/ 4.5 is a improved version of the previously issued Industar-4, intended for both cameras, FK with the frame size 13x18 cm and was used in aerial photography.
Links to online resources: Posted by: kleo59 Date of publication: 15.05.2012
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