Sony 20mm F2.8 Overview
Announced Jun 15, 2006
•
Wideangle prime lens | Sony/Minolta Alpha | SAL20F28
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Product description
Announced
Jun 15, 2006
Discuss in the Sony Alpha SLR/SLT A-mount Talk forum
The Sony 20mm F2.8 is a fixed wide-angle prime lens for Sony's full-frame and APS-C format SLT cameras. Covering a viewing angle of 90-degrees on full-frame sensors, the 20mm F2.8 can focus down to 25 centimeters (9.8 inches). Optical construction comprises ten elements in nine groups, and in common with several other Sony lenses, autofocus is driven from the camera's AF motor.
Quick specs
| Lens type | Prime lens |
| Focal length | 20 mm |
| Image stab. | No |
| Lens mount | Sony/Minolta Alpha |
| Max aperture | F2.8 |
| Min aperture | F22 |
| Min focus | 0.25 m (9.84″) |
| Max magnification | 0.13× |
| Weight | 285 g (0.63 lb) |
| Length | 54 mm (2.11″) |
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