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20 mm F2.8

Sony SAL20F28

Features

  • Super wide angle lens offers excellent depth of field and exaggerated perspective
  • Coated optical surface coatings and reduced internal light reflection for crisp corner-to-corner images
  • Quick, accurate rear focusing mechanism

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

  • Super wide angle lens offers excellent depth of field and exaggerated perspective
  • Coated optical surface coatings and reduced internal light reflection for crisp corner-to-corner images
  • Quick, accurate rear focusing mechanism
Mount Sony A-mount
Format 35 mm full frame
Focal Length (mm) 20mm
35 mm equivalent focal length (APS-C) 11.82 in
Lens Groups / Elements 9/10
Angle of View (35 mm) 94°
Angle of View (APS-C) 70°
Maximum aperture (F) 2.8
Minimum Aperture (F) 22
Aperture Blades 7
Circular Aperture Yes
Minimum Focus Distance 0.25 m
Maximum Magnification ratio (x) 0.13x
Filter Diameter (mm) 72mm
Image stabilization (SteadyShot) - (Body integrated)
Dimensions (Diameter x Length) 3-1/16 x 2-1/8" (78 x 53.5mm)
Weight 10.1 oz (285 g)
* "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.

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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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.