Canon Patents EF 28-560mm f/2.8-5.6L USM

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 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