Soviet lens Industar-51 (I-51) 4.5 / 210 in excellent condition (like new). Produced at the Kazan Optical and Mechanical Plant in 1972. The focal length is 210 mm. Aperture range: f / 4.5 - f / 32. And Instance has 20 aperture blades. Optical design - classic retrofocus Tessar (4 elements in 3 groups), Boke Tessar, calm. The combination of aperture and focal length allows you to separate the portrait from the background. Has a good contrast. Thanks to its design, the lens copes well even with backlighting. When backlit, there is a slight shift in colors, but they remain pleasant, can be used as an artistic technique. The original box is included.
Specifications: Manufacturer: KOMZ Year of issue: 1972 Lens mount: M60 Focal Length: 210 Aperture ratio: 4.5 Thread diameter: 58
Product condition: Good condition! The lenses are clean! The mechanics are working properly!