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Pictures
Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: M42, Exakta
Optical design: 5 elements in 4 groups
| | Specifications:
Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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100mm | f/2.8 | f/22 | 6 | 1.1 | 49 | 320/11,3 | 64/2,5 |
| Additional information:
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.
Links to online resources: PDF Files: Posted by: Web walker Date of publication: 14.07.2013
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Photos taken with this lens Pentacon 100 mm f/ 2.8 auto: