All About Photographic Lenses. Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.
The Jupiter 21Т 200mm f/4 (Russian: Юпитер) is a telephoto lens for 35 mm SLR cameras. 15-blade iris diaphragm. Aperture range f/4-22. Minimum focusing distance 3 m. Extraordinary long built-in hood (2/3 of the lens length). Limited series.
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