Sony SEL28F20 | Full Frame 28mm Prime Lens w/ ED Glass

Regular Price: $449.99

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Details & Highlights

Product Highlights

    Designed for full–frame Sony E–Mount mirrorless cameras, the SEL28F20 wide–angle prime lens allows you to capture scenic landscape, group and interior photography with stunning detail. Composed of 9 glass elements in 8 groups the compact lens deliverys a 75 degree field of vision for Sony's Alpha A7 line, or 54° with all APS–C senors. Using a combination of Extra–Low Dispersion and Super ED glass to reduce chromactic aberraction and deliver razor sharp images across the entire focal plane. Aspherical lens constructions helps to minimize distortion and produce images with greater contrast ranges and reduce the elements required keeping the lens travel friendly. The 9–blade Circular Aperture allows backgrounds to render buttery-smooth when defocused.

Details from Sony

    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. Sony 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.

    ED (Extra–low Dispersion) glass / Super ED glass

    As focal lengths get longer, lenses built with conventional optical glass have difficulties with chromatic aberration, and as a result images suffer from lower contrast, lower color quality, and lower resolution. ED glass dramatically reduces chromatic aberration at telephoto ranges, and provides superior contrast across the entire image, even at large aperture settings. Super ED glass provides enhanced compensation for chromatic aberration.

    Aspherical lens elements

    Aspherical lens design dramatically reduces spherical aberration while also reducing lens size and weight. Spherical aberration is a slight misalignment of the light rays projected on the image plane. This is caused by differences in refraction at different points on conventional spherical lenses which degrade image quality in large–aperture lenses. Specially shaped "aspherical" elements near the diaphragm restore alignment of light rays at the image plane, maintaining high sharpness and contrast even at maximum aperture and can also be used at other points in the optical path to reduce distortion. Well–designed aspherical elements can reduce the total number of elements required in the lens, thus reducing overall size and weight.

    Internal focusing

    Only the middle groups of the optical system move to achieve focus, so the overall length of the lens does not change. Other important benefits include fast autofocusing and a short minimum focusing distance. Also, the filter thread at the front of the lens does not rotate, which is convenient if you're using a polarizing filter.

    Go even wider or fisheye with converters

    For even wider perspectives an optional Ultra–wide Converter (SEL075UWC) and Fisheye Converter (SEL057FEC) can be added to increase the angle of view to 21mm wide–angle or 16mm fisheye with full 180° coverage, respectively. Corresponding EXIF data is generated when these converters are attached to the lens, making data management easy.


Features & Specs

Best Seller
Manufacturer's Warranty
    1 Year Limited Warranty
Detailed Specifications
  • Lens Type: 35mm full frame
  • Lens Mount Type: Sony E–mount
  • Aperture: Circular
  • Aperture (Max.): f/2
  • Aperture (Min.): f/22
  • Focal Length (35mm equivalent): 28mm (35mm) 42mm (APS–C)
  • Filter Diameter: 49mm
  • Lens Groups–Elements: 8 groups, 9 elements
  • Minimum Focus Distance: 0.96' 0.29m
  • Angle of View: 54° (APSC) 75° (35mm)
  • Aperture Blade: 9 blades (Circular aperture)
  • Maximum Magnification: 0.13x
  • Weights and Measurements
  • Dimensions (Approx.): 2.62" x 2.37"
  • Weight (Approx.): 0.44 lbs
Product Bullets


Included Coverage from Sony: 1 Year Limited Warranty

Category ID: 211 | $448.00