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Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Auto Focus (AF)
Lens mounts: Sony A / Minolta A, Sony A / Minolta A
First year of production: 2006
Optical design: 10 elements in 9 groups
| User reviews (0) Photos (0) Tests (0) Owners (1) Views (3807) Average price: $1003 |
Specifications:
| Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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| 20mm | f/2.8 | f/22 | 7 | 0.25 | 72 | 285/10,1 | 53/2,1 |
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Additional information:
The Sony AF 20 mm f/ 2.8
The characteristics of the Sony 20mm F2.8 (SAL20F28):
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The ultra-wide angle lens produces an excellent depth of field and exaggerated perspective.
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Due to optical elements coating and reduced internal reflection, the image is extremely sharp all over the frame.
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The lens features a fast and accurate rear-focusing mechanism, a focus hold button, and a focus range limiter.
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Angle of view: 94° (70° for APS-C).
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Max. magnification 0.13
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Diameter 78 mm
Links to online resources:
PDF Files:
Posted by: shubshik Date of publication: 28.09.2010
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