Canon EF 20mm f2.8 USM


The Canon EF 20mm f2.8 USM is an ultra-wide-angle lens, weighing a mere 405g, and featuring a floating rear focusing system.

Ultra-wide-angle lens for serious applications. Easy to hold and carry at 405 g (14.3 oz.). Floating rear focusing system. Sharp images are obtained at all subject distances.

  • Focal Length
  • Lens Construction
    11 elements in 9 groups
  • Maximum Aperture
  • Minimum Focus Distance
    0.25m (0.8 ft.)
  • Filter Size
  • Lens Mount
    Canon EF Mount
  • Dimensions
    77.5mm x 70.6mm
  • Weight
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Canon EF 20mm f2.8 USM
Front Lens Cap
Rear Lens Cap


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