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Canon Patent Application: Canon RF 70-200mm 2.8
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Canon Patent Application: Canon RF 70-200mm 2.8

Happy new year, and this year brings with you a new patent application from Canon for another RF lens.  This patent application is for a Canon RF 70-200mm 2.8.  It's not a surprise that Canon would be working on this lens, and would also now bring out the total lens trinity of 16-35, 24-70, and 70-200 in RF lens patents.  Canon has already stated in interviews that these three lenses are coming.

Focal length              72.00 135.00 194.99
F-number                   2.92   2.92   2.92
Half angle of view (deg.) 16.73   9.10   6.33
Image height              21.64  21.64  21.64
length of the zoom lens  172.73 227.50 242.86
BF                        14.38  26.45  39.44 

US Patent Application 20190004296

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