Product Highlights
  • Sony SEL FE 20mm f/2 Compatibility
  • 28mm to 16mm Lens Converter
  • 0.14x Magnification
  • 5/4 Elements/Groups
  • Dust & Moisture Resistant
Sony SEL 057 Fisheye Conversion Lens (SEL FE 20mm f/2.0 only) Sony SEL 057 Fisheye Conversion Len...
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This product will be Special Ordered just for you from the manufacturer. We do not stock this item due to its uniqueness or import schedule. Special Order items are Final Sale, see our Return Policy for details.
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Converter to 180° full-frame fisheye perspective

This dedicated conversion lens for the FE 28mm F2 provides 16mm focal length with fisheye perspective and a full 180° angle of view (diagonally). The converter has been specifically designed for the FE 28mm F2, and therefore offers expressive fisheye perspective with excellent image quality from infinity down to the closest focusing distance, without compromising the basic image quality of the lens. The sophisticated design seamlessly matches the lens, and is dust and moisture resistant for maximum reliability.

An uncommon view for expressive imagery

An affordable way to add top-quality 16mm fisheye capability to your creative toolkit. Simply attach and enter a new world of visual expression.


  • Converter for FE 28mm F2 lens, providing 16mm angle of view
  • Dedicated optics and visually matching design
  • Easy-attach bayonet mechanism lock for a quick fit
  • Automatic detection for EXIF data generation
  • Dust and moisture resistant design

What's Included

  • SEL057 Fisheye Conversion Lens
  • Case


Product Specifications

Lens configuration (group / element) 4 / 5
35mm-equivalent focal length (APS-C)*1 (mm) 24*2
Angle of view (APS-C)*1 105°*2
Angle of view (35mm full frame) 180°*2
No. of aperture blade -
Max. aperture 3.5
Min. aperture (F) 22*2
Max. magnification ratio (x) 0.14*2
Min. focus (m) 0.22*2
Distance Encoder for ADI flash metering -
Filter dia. (mm) -
Hood shape / mount Petal / fixed
Dimensions: Dia. x L (mm) 89 x 58.5
Dimensions: Dia. x L (in.) 3-5/8 x 2-3/8
Weight: (approx.) (g) 418
Weight: (approx.) (oz.) 14.8
Provided accessories case

*1 With interchangeable-lens digital cameras incorporating APS-C type image sensors.
*2 With SEL28F20

Questions & Answers

Sony SEL 057 Fisheye Conversion Lens (SEL FE 20mm f/2.0 only)

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