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
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