Canon RF Patents: 1200mm f/8, 1200mm f/11, 800mm f/5.6 Lenses

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Canon has filed several new RF mount super-telephoto lens patents for the Canon full frame mirrorless cameras, including examples of the “1200mm f/8”, “1200mm f/11” and “800mm f/5.6”.

[Publication number] JP 2022-45962
[Publication date] March 23, 2022
[Patent application title] A catadioptric system and an image pickup apparatus having the same.

1200mm f/8
Effective focal length 1200
F number 8.02
Half angle of view (degrees) 1.03
Image height 21.64
Lens overall length 380.02
BF 100.01

1200mm f/11
Effective focal length 1200
F number 11.00
Half angle of view (degrees) 1.03
Image height 21.64
Lens overall length 286.02
BF 44.99

800mm f/5.6
Effective focal length 800
F number 5.60
Half angle of view (degrees) 1.55
Image height 21.64
Lens overall length 340.01
BF 49.58

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Via: digicame-info