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Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Canon EF, EF-S, Sony A / Minolta A, Sony A / Minolta A, Nikon F (FX, DX), Nikon F (FX, DX), Pentax K, Pentax K, Sigma SA, Sigma SA
First year of production: 2004
Optical design: 10 elements in 9 groups
Features: Macro lens | User reviews (0) Photos (2) Tests (0) Owners (4) Views (6742) Average price: $240 |
Specifications:
| Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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| 50mm | f/2.8 | f/45 | 7 | 0.188 | 55 | 320/11,3 | 66/2,6 |
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Additional information:
The Sigma AF 50 mm f/ 2.8 EX DG Macro
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Max. magnification 1:1
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Angle of view 46.8°
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Diameter 71.4 mm
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Max. focal length 101.5 mm
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Minimum working distance 44 mm
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Minimum aperture for Nikon and Pentaх f/32
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The front element does not rotate
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Distance information transmission (only Nikon)
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No built-in motor for Nikon
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Hood LH550-02 included
The Sigma AF 50 mm F2.8 EX DG Macro is a full format standard macro lens for digital and film cameras with a floating system of focusing. The lens ensures a normal perspective, and high-quality vista shots and macrography.
The kit hood of the Sigma AF 50 mm f/ 2.8 EX DG Macrois threaded, and not reversible. The use of a polarizer between a hood and a filter is possible.
The SigmaAF 50 mm f/ 2.8 EX DG Macro is equipped with a focus limiter to avoid autofocusing throughout the macro range when using the lens at conventional focus distances.
Evaluation of Sigma designations:
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AF for autofocus.
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EX - high-quality line of lenses, combining reliability, convenience and excellent optical characteristics.
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DG - full format lens optimized for DSRL cameras, as well as for film SLR cameras.
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MACRO - macrography with the max. magnification of 1:1.
Links to online resources:
Posted by: dv Date of publication: 22.10.2010
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