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Canon Patent EF 24-70mm F2.8 IS Lens

Canon-24-70-IS-lena-image

A new patent surfaced over the web that shows Canon 24-70mm F2.8 lens with built in Image Stabilization, the a patent literature generally take 1 to 2 year to become a real product.

Patent details translated by google

Description and self-interpretation of the patent literature

  • Patent Publication No. 2014-52413,2014-52445
    • Publication date 2014.3.20
    • Filing date 2012.9.5
  • Example 1
    • Zoom ratio 2.75
    • Focal length f = 24.7-35.21-68mm
    • Fno. 2.9
    • Half angle ω = 41.21-31.57-17.65 °
    • Image height 21.64mm
    • 223.94-207.87-180.56mm overall length of the lens
    • BF 38.31mm

     

src- egami.blog.so-net.ne.jp

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