All About Photographic Lenses. Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.
The Pentacon auto 2.8/100 is a telephoto prime lens. It was manufactured for Praktica and Exacta cameras.
This lens was released after Pentacon and Meyer-Optik had merged. Before that the lens' had been called Meyer-Optik Görlitz ORESTOR 100 f/2.8. The number of diaphragm blades had been reduced.
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