2014年4月21日月曜日

New Canon patent describes 22-46mm f/3.5-5.6 EOS-M lens.


This is a new lens patent describing a new EOS-M 22-46mm f/3.5-5.6 lens.



  • Patent Publication No. 2014-63025

    • Publication date 2014.4.10

    • Filing date 2012.9.21



  • Example 7

    • Zoom ratio 2.09

    • Focal length f = 22.10-34.22-45.19mm

    • Fno. 3.60-4.59-5.60

    • Half angle ω = 31.72-21.76-16.48 °

    • Image height 13.66mm

    • 65.76-62.07-64.72mm lens length

    • BF 28.16-36.88-45.09mm




Found via CanonWatch.


from Mirrorless Rumors

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