Tair-3 300 mm f/ 4.5 Lens

The Tair-3 300 mm f/ 4.5 (Russian: "Таир") (export model Tair-3)  is a telephoto prime lens for 35 mm SLR cameras with M39 and M42 screw mounts.

There were modifications with single-layer and multilayer coatings (the latter marked "MC").

In 1958 at the World's Fair in Brussels the set of lenses, the Tair-3 300 mm f/ 4.5 being a part of it, was awarded the Grand Prix. The fact was reflected in the form of a commemorative inscription on the frame of earlier Tair lenses

The Tair-3 300 mm f/ 4.5 was manufactured at three plants:

1. Tair-3 4.5/300 – S. A. Zverev Krasnogorsk Mechanical Plant (KMZ).
2. Tair-3A 4.5/300 -  Zagorsk Optical Mechanics Plant, Sergiyev Posad (ZOMZ). This version features an interchangeable mount. 
3. Tair-3 4.5/300 – Kazan Optical Mechanics Plant (КОМЗ).

There was also a photosnipers' modification.

Additional information on the Tair-3 300 mm f/ 4.5 lens:

• Resolution: (0/10 mm/20 mm): 45/43/38 lpmm
• Resolution according to the technical specifications (center/edge): 36/30 lpmm
• Coefficient of transparency: 0.80
• Geometric vignetting: 40%

• Review of Tair-3 lens 300mm 4.5 on photohistory.ru (Russian)

• Tair-3_in_catalog_GOI_1963 (views: 786)

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