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Pictures
Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: Pentax K
Optical design: 6 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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58mm | f/2.0 | f/16 | 6 | 0.5 | 52 | 258/9,1 | 42/1,7 |
| Additional information:
The Helios-44K-4 58 mm f/ 2 MC (Russian: "Гелиос") is a fast standard lens with a fixed focal length and multicoating for 35mm cameras of a Pentax K system.
Resolution by the lens technical passport (center/edge): 42/21 lp/mm
Light transition ratio: 0.85
Geometric vignetting: 58%
Color formula: 11-0-0
Posted by: SharkDD Date of publication: 20.03.2011
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Photos taken with this lens Helios-44K-4 58 mm f/ 2 MC:
Yang girl Autor: Cetych 0 0 4750 |