Canon Patent for EF 10mm f/2.8L Ultra Wide-Angle Prime Lens

Canon filed a new patent in Japan. The new patent describes the EF 10mm f/2.8L ultra wide-angle zoom lens designed for Canon DSLRs with full-frame image sensors.

This lens looks like a replacement candidate for the current EF 14mm f/2.8L II USM lens. Note that this is not a fish-eye lens!

If the lens becomes available into production, it will be the widest prime lens for Canon full frame DSLR cameras. See the patent details below.

Canon EF 10mm f/2.8L Ultra Wide-Angle Prime Lens Patent


Patent Publication No. 2015-102620 (Google Translated)

  • Published 2015.6.4
  • Filing date 2013.11.22

Example 3

  • Focal length f = 10.30mm
  • Fno. 2.88
  • Half angle of view ω = 64.54 °
  • Image height 21.64mm
  • Lens length 124.58mm
  • BF 38.00mm

via Egami

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