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Canon 25-125mm F2.8 Cinema Lens Patent

Canon 25-125mm image

Canon 25-125mm F2.8 Lens Patent surfaced over the web, the 25-125mm lens is designed for EOS cinema camera, take a look at the patent details below translated by google.

Description, self-interpretation of the patent literature

  • Patent Publication No. 2015-176118
    • Published 2015.10.5
    • Filing date 2014.3.18
  • Example 1
    • Zoom ratio 5.00
    • Focal length 25.00 125.00
    • F-number 2.90
    • Half angle (in degrees) 29.42 6.44
    • Image height 14.10
    • Overall length of the lens 446.92
    • BF 50.00

See more Canon lens patent here .. Don’t forget Canon also have multilayer sensor and Medium format camera patent.

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