Canon Patents: RF 20mm, RF 35mm, RF 45mm, RF 16-35mm
Canon has filed six new RF lens patents for the RF 16-35mm f/4, RF 20mm f/2, RF 35mm f/1.8, RF 35mm f/2, RF 35mm f/2.8, RF 45mm f/2.8 lenses, which are designed for Canon EOS R & EOS RP full frame mirrorless camera. In this patent application, Canon describes quite a few lower cost Canon RF mount primes.
Take a look at the patents details below:
Canon RF 20mm f/2
- Focal length: 20.50
- F number: 2.06
- Half angle of view: 46.54
- Image height: 21.64
- Lens length: 90.13
- Back focus: 13.50
Canon RF 35mm f/1.8
- Focal length: 35.60
- F number: 1.85
- Half angle of view: 31.22
- Image height: 21.64
- Lens length: 81.87
- Back focus: 13.49
Canon RF 35mm f/2
- Focal length: 35.91
- F number: 2.06
- Half angle of view: 31.07
- Image height: 21.64
- Lens length: 50.50
- Back focus: 15.05
Canon RF 35mm f/2.8
- Focal length: 35.70
- F number: 2.88
- Half angle of view: 31.22
- Image height: 21.64
- Lens length: 60.00
- Back focus: 13.15
Canon RF 45mm f/2.8
- Focal length: 44.70
- F number: 2.85
- Half angle of view: 25.83
- Image height: 21.64
- Lens length: 62.63
- Back focus: 13.13
Canon RF 16-35mm f/4
- Focal length: 16.48 24.02 33.75
- F number: 4.12
- Half angle of view: 52.70 42.01 32.66
- Image height: 21.64
- Lens length: 117.64 109.16 110.13
- Back focus: 11.50 19.17 29.63
Via: Canonnews