Canon Patent for EF 200-600mm f/4.5-5.6L USM Lens

Canon filed a new patent in Japan. The new patent describes the EF 200-600mm f/4.5-5.6L USM lens which looks like to be a new super-telephoto zoom lens for full-frame sensor Canon DSLRs.

From the patent application we can say the upcoming full-frame lens will be a L-grade model. EF 200-600mm f/4.5-5.6L USM lens will feature USM (UltraSonic Motor) which means that the lens will autofocus faster than standard models.

The lens looks like a budget superzoom lens for Canon full-frame DSLRs. See the patent details below.

Canon EF 200-600mm f/4.5-5.6L USM Lens Patent

Take a look at the patent details below translated by Google.

• Patent Publication No. 2015-212724
  • Published 2015.11.26
  • Filing date 2014.5.1
• Example 1
  • Zoom ratio 3.00
  • Focal length 200.00 340.00 600.00
  • F-number 4.60 4.60 5.20
  • Angle of view 6.18 3.64 2.07
  • Image height 21.65 21.65 21.65
  • Overall length of the lens 355.16 355.16 355.16
  • BF 65.16 65.16 65.16

via: Egami