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Canon Patent Application: Canon RF Primes
I know there's been alot of talk about Canon needing to get lower cost primes and lenses out for the RF mount, that not all lenses can be in the $2000-$3000 range. Take heart, this patent application is meant for you.
In this patent application, Canon describes quite a few lower cost Canon RF mount primes;
- RF 35 F1.8
- RF 20 F2.0
- RF 35 F2.8
- RF 45 F2.8
- RF 35 F2.0
and also making an appearance is a zoom, a Canon RF 16-35 F4.0, a lens I'm certainly looking forward to for the RF mount.
The lens details are as follows;
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
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
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
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
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
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
Japan Patent Application: 2019-204115
Japan Patent Application: 2019-204114
Japan Patent Application: 2019-204113
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