Canon Patent for EF-S 15-53mm F/2.8-4 Lens

Canon filed a new patent in Japan. The new patent describes the EF-S 15-53mm F/2.8-4 lens which looks like to be a new kit lens for APS-C sensor Canon DSLRs.

The patent application shows the details of a kit lens covers a excellent range starting from 15 to 53mm. The EF-S 15-53mm F/2.8-4 lens comes with a Stepping Motor.

If the lens becomes available into production, it will be a versatile lens for EOS 7D Mark II users. See the EF-S 15-105mm f/2.8-5.6 STM lens patent details.

Canon EF-S 15-53mm F/2.8-4 Lens Patent


  • Patent Publication No. 2015-152765
    • Published 2015.8.24
    • Filing date 2014.2.14
  • Example 1
    • Focal length 15.40 20.46 51.00mm
    • Fno 2.80 3.00 4.30
    • Half angle of view ω 41.57 33.73 14.99 °
    • Image height 13.66mm
    • Overall length of the lens 119.65 123.99 149.53mm
    • BF 35.93 38.66 50.56mm

via: Egami

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