The "Shvabe" holding, part of the Rostec State Corporation, has begun serial production of an updated version of the "Russar" lens with an E-mount bayonet. The new product, developed by the S. A. Zverev Krasnogorsk Plant, is designed for users of mirrorless cameras.
The lens stands out for its small size and classic retro design. It has a wide viewing angle and effectively corrects distortion, which ensures high image detail with minimal geometric distortion. Thanks to these characteristics, the model is ideal for panoramic, landscape, and urban photography.
Its optical scheme was developed in 1956 and implemented in a serial lens for the MR-2 20/5.6 rangefinder cameras. The calculation was authored by Mikhail Mikhailovich Rusinov. Other lenses were also produced based on the optical scheme, for example, for aerial photography. In 1958, at the World Exhibition in Brussels, the "Russar" MR-2 as part of a set of interchangeable lenses from the Krasnogorsk plant received the Grand Prix. In the 21st century, the lens was produced in collaboration with Lomography, but now KMZ has launched it into series under its own brand.
"Russar" 5.6/20 is extremely compact: it weighs only 100 grams, the filter diameter is 49 mm. The optical scheme has 6 elements in 4 groups. The minimum focusing distance is 50 cm — a legacy of the rangefinder past. The viewing angle is 95°. The manufacturer claims excellent compensated distortion for the "Russar" 5.6/20.
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