According to the Egami Blog, Canon has filed the patent for an EF 28-560mm f/2.8-5.6L USM optical formula. Considering the specs of the lens, “IS” would likely be included (though not precisely specified).
Patent Details
Patent Details
- Patent Publication No. 2016-142795
- Published 2016.8.8
- Submitted 2015.1.30
- Zoom ratio 18.86
- Focus distance 28.80 119.57 543.20
- F-number 2.88 4.56 5.88
- Angle of view (degrees) 36.91 10.26 2.28
- Length 281.07 331.07 385.01
- BF 53.05 61.31 40.00
- The effective diameter of the front lens 120.00
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