Kearney

20 mm F2.8

Sony SAL20F28

Features

Check Camera to Lens Compatibility: https://support.d-imaging.sony.co.jp/www/cscs/lens_body/
Wide 94° angle of view on 35 mm Full Frame cameras
Precisely corrected for natural perspective
Aberration effectively suppressed across focus range

Quick Specs

Type: Lens
Mount: Sony Alpha
Focal Length: Other
Width: 3 1/8"
Height: 2 1/8"
Energy Star Rated: No

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Circular Aperture When changing your aperture to defocus the background, the light sources appear blurred. This bokeh' effect of the blurred background can be enhanced with circular aperture blades used in this lens. Conventional aperture blades have flat sides creating unappealing polygonal shaped defocussed points of light. α lenses overcome this problem through a unique design that keeps the aperture almost perfectly circular from its wide-open setting to when it is closed by 2 stops. Smoother, more natural defocusing can be obtained as a result.

Rear focusing elements Only the rear groups of the optical system move to focus the lens, which allows for speedy AF operation and a shorter minimum focusing distance. Since the front of the lens does not rotate, operability is improved when shooting with a polarizing filter attached.

Features

Check Camera to Lens Compatibility: https://support.d-imaging.sony.co.jp/www/cscs/lens_body/
Wide 94° angle of view on 35 mm Full Frame cameras
Precisely corrected for natural perspective
Aberration effectively suppressed across focus range
Rear-focusing mechanism for fast autofocus response
Seven-blade circular aperture for attractive defocusing

Lens Specifications
35 mm equivalent focal length (APS-C)	11.82 in
Angle of View (APS-C)	70°
Focal Length (mm)	20mm
Format	35 mm full frame
Lens Groups / Elements	9/10
Maximum Magnification ratio (x)	0.13x
Maximum aperture (F)	2.8
Minimum Aperture (F)	22
Mount	Sony A-mount
Angle of View (35 mm)	94°
Aperture Blades	7
Circular Aperture	Yes
Filter Diameter (mm)	72mm
Image stabilization (SteadyShot)	- (Body integrated)
Minimum Focus Distance	0.25 m
Size & Weight
Dimensions (Diameter x Length)	3-1/16 x 2-1/8" (78 x 53.5mm)
Weight	10.1 oz (285 g)
Footnotes
*	"35 mm equivalent focal length (APS-C)" and "Angle of View (APS-C)" are with interchangeable lens digital camera incorporating APS-C type image sensors.
At a Glance
Focal Length	20mm
Max. Aperture	f/2.8
Size and Weight	3.o62 x 2.125 in. / 10.1 oz.

Quick Specs

Appearance
Type: Lens
Mount: Sony Alpha
Focal Length: Other
Dimensions
Width: 3 1/8"
Height: 2 1/8"
Features
Energy Star Rated: No

Limited Warranty

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