vintage INDUSTAR 50-2 Lens for ZENIT, Praktica, SLR, M42, L42, mount cameras
Four-glass enlightened anastigmat type "Tessar" in the threaded frame with a retractable or nevydvigayuschimsya tube. Equipped with iris. For that time has a high resolution in the chromatic aberration is well corrected. Recommended for all types of photography, including color and reproduction. Has also been used in the enlarger. Focal length of 52 mm (52.48 mm), aperture of 1:3.5. Field of view 45 °, frame size: 24x36 mm. Number of elements / groups of 4/3, the number of diaphragm blades - 7. The limits of the scale diaphragms: 1:3,5 - 1:16 Closest focusing distance: rangefinder option - 1 m version for SLR cameras - 0.65 m resolution TU (center / edge): 38/22, light transmission 0.80.
Year of design: the middle of the 1950s.
Calculation: CMH, MD Maltsev.
All features of the item have been tested and work properly. Look at the picture!
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