Specifications - Sony SAL20F28 Service Manual

• Depending on the lens mechanism, the focal length may change with any change of the shooting distance. The focal length assumes the lens is focused
at infinity.
Equivalent 35mm-format focal length *
30
* 1 The value for equivalent 35mm-format focal length is based on Digital Single Lens Reflex Cameras equipped with an APS-C sized image sensor.
Lens groups elements
9-10
1
Angle of view 1 *
94°
Angle of view 2 * 1
70°
2
* The value of angle of view 1 is based on 35mm-format cameras, and that of angle of view 2 is based on Digital Single Lens Reflex Cameras
equipped with an APS-C sized image sensor.
Minimum focus (m (feet)) *
0.25 (0.8)
* 3 Minimum focus is the shortest distance from the image sensor to the subject.
Maximum magnification (× × × × × )
0.13
Minimum f-stop
f/22
Filter diameter (mm)
72
Dimensions (maximum diameter × × × × × height) (mm (in.))
Approx. 78 × 53.5 (3 1/16 × 2 1/8)
Mass (g (oz.))
Approx. 285 (10 5/16)
Included items
Lens (1), Front lens cap (1), Rear lens cap (1), Lens hood (1), Set of printed documentation
Designs and specifications are subject to change without notice.
SAL20F28 (2.0/28) (20mm F2.8)

SPECIFICATIONS

1
(mm)
3
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