Canon EF-S 100-300mm F4-5.6 IS lens patent filed by Canon


A new super telephoto zoom lens patent has been filed by Canon for APS-C DSLR cameras. The name of the lens is EF-S 100-300mm f/4-5.6 IS lens. After looked at the patent of this lens one thing is so obvious that the lens will be more dedicated for Canon EOS 7D Mark II for wild and sports photography.

  • Patent Publication No. 2015-138178
    Published 2015.7.30
    Filing date 2014.1.23
    Example 1
    Focal length 102.00 195.50 291.20mm
    F-number 4.16 5.14 5.88
    Half angle of 7.63 4.00 2.69 °
    Positive and negative positive and negative four-group zoom
    Anti-vibration (part of the second group)

Source- egami

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