Here are several new Canon patents that have been surfaced online. Designed for the EOS R full frame mirrorless system these are some super telephoto lenses.
Canon has filed several new RF mount super-telephoto lens patents for the Canon full frame mirrorless cameras. I guess we already seen these “1200mm f/8“, and “800mm f/5.6” lenses announced and hope to see the missing “1200mm f/11” in near future.
Canon RF 800mm f/5.6 L IS USM Lens: $16,999 at B&H, Adorama.
Canon RF 1200mm f/8 L IS USM Lens: $19,999 at B&H, Adorama.
[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
See also Canon RF 1200mm f/8 L IS USM Lens pre-order, release date and price.
Via: digicame-info