Canon is working to introduce a new range of super-telephoto photo lenses for their Fullframe Mirrorless Camera. We all know that existing Canon EF lenses are highly compatible the new range of Mirrorless cameras. But as we all know RF lenses are more superior (see video below) than EF lenses so they have to bring out new lenses for professionals as soon as possible
Focal length: 392mm
FNo.: 2.90
2ω: 3.16
Image height: 21.64 mm
Lens length: 360.03 mm
Back focus: 31.01 mm
Focal length: 490mm
FNo.: 4.12
2ω: 2.54
Image height: 21.64 mm
Lens length: 412.08 mm
Back focus: 33.39 mm
Focal length: 588mm
FNo.: 4.12
2ω: 2.11
Image height: 21.64 mm
Lens length: 476.08 mm
Back focus: 33.21 mm
See more Canon patents here
Canon RF Lenses are Better than Canon EF Lenses
https://youtu.be/3-swouJ4qS4
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