Category: Canon Patents

New Canon Patent : RF 28-70mm f/2.8L Lens

A new Canon patent application spotted by asobinet.com that discusses optical formulas for a RF 28-70mm f/2.8L lens. The Canon RF Lens is a RF 28-70mm f/2.8L with inner focusing and that does not extend might be in the works.

The lens is indeed described to be shorter at the telephoto end (emphasis mine) in both embodiment:

  • Wide-angle intermediate telephoto
  • Focal length 28.84 36.81 67.90
  • F number 2.91 2.91 2.91
  • Half angle of view (°) 32.68 29.23 17.67
  • Image height 18.50 20.60 21.64
  • Lens total length 117.09 109.31 101.58
  • BF 9.99 13.47 21.59
  • Focal length 28.84 37.17 67.90
  • F number 2.91 2.91 2.91
  • Half angle of view (°) 32.65 28.90 17.67
  • Image height 21.64 21.64 21.64
  • Lens total length 132.62 122.81 111.18
  • BF 21.92 26.79 39.84

New Patent : Canon RF 16-30mm f/4-5.6 Lens

New Canon patents published for the Canon EOS R series mirrorless cameras.. This Canon lens is the RF 16-30mm f/4-5.6 Lens.

Canon is working hard on the wide angle zoom models with good optical quality. Canon RF 16-30mm f/4-5.6 Lens will be one of them and we hope to see it in mass production. Here are the details :

Continue reading “New Patent : Canon RF 16-30mm f/4-5.6 Lens”

Patent: Canon RF 24mm f/1.2L, RF 28mm f/1.2L and RF 35mm f/1.2L USM Lenses

New Canon patents published for RF mount lenses. These Canon lenses are the RF 35mm f/1.2L, 35mm f/1.4L, 28mm f/1.2L and 24mm f/1.2L.

Canon is working hard on the small and lightweight ultra wide lenses with good optical quality for the Canon EOS R series mirrorless cameras.

[Publication number] JP 2021-92694(P2021-92694A)
[Publication date] June 17, 2021
[Patent application title] Optical system and imaging device Continue reading “Patent: Canon RF 24mm f/1.2L, RF 28mm f/1.2L and RF 35mm f/1.2L USM Lenses”

Canon Patent for 83mm f/1.4 Lens For RF Mount

A new Canon patent application 2021-81531A (Japan) discusses optical formulas for a 83mm f/1.4 lens for RF-mount mirrorless cameras.

Embodiment 1

  • Focal length (mm): 82.87
  • F number: 1.45
  • Half angle of view (degree): 14.63
  • Image height (mm): 21.64
  • Lens length (mm): 126.50
  • Back focus (mm): 13.00

Embodiment 2

  • Focal length (mm): 82.86
  • F number: 1.45
  • Half angle of view (degree): 14.63
  • Image height (mm): 21.64
  • Lens length (mm): 128.50
  • Back focus (mm): 17.13

Embodiment 3

  • Focal length (mm): 82.64
  • F number: 1.45
  • Half angle of view (degree): 14.67
  • Image height (mm): 21.64
  • Lens length (mm): 113.70
  • Back focus (mm): 18.16

Canon RF Patents : 400mm, 800mm, 1200mm, 2000mm Catadioptric Lenses

Several new Canon patents published online. The camera giant filed new RF mount catadioptric IS super telephotos lens patents for designed for Canon EOS R series mirrorless cameras.

These Canon lenses are the 400mm f/3.6 IS, 800mm f/5 IS, 1200mm f/8 IS, 1200mm f/10.5 IS, 2000mm f/15 IS lenses. Take a look at the patent details below: Continue reading “Canon RF Patents : 400mm, 800mm, 1200mm, 2000mm Catadioptric Lenses”

New Patent : Canon RF 19mm f/2.8 IS Lens

New Canon patent has been published online. This is RF 19mm f/2.8 IS USM Lens with image stabilization, which is designed for Canon EOS R series mirrorless cameras. Take a look at the patent details below:

[Publication number] JP P2021-67826(P2021-67826A)
[Publication date] April 30, 2021
[Patent application title] Optical system and imaging device

There are two different embodiments for a Canon RF 19mm f/2.8 IS. Continue reading “New Patent : Canon RF 19mm f/2.8 IS Lens”

Canon Patents : New RF 20mm f/1.8L and RF 24mm f/1.8L Lenses

Here are the latest  Canon patents surfaced on the web. According to the patent application we can now see the the Canon RF 20mm f/1.8L lens and Canon RF 24mm f/1.8L lens.

Canon is working hard on the small and lightweight ultra wide lenses with good optical quality for the Canon EOS R series mirrorless cameras. In the latest patent application, Canon is requesting a patent for various optical mirrorless lens designs. See the patent details below. Continue reading “Canon Patents : New RF 20mm f/1.8L and RF 24mm f/1.8L Lenses”

New Patent : Canon RF 130mm f/1.4L USM Lens

New Canon patents discovered on the web including the Canon RF 130mm f/1.4L USM Lens. We already have the RF 135mm f/1.4L USM listed on the 2021 Canon Roadmap, so this patent could potentially be related.

Check out the details below. Continue reading “New Patent : Canon RF 130mm f/1.4L USM Lens”

Canon RF 28mm f/1.4L USM and Canon RF 35 f/1.4L USM Lens Patents

Here are the latest Canon patents. The company filed two patent applications including Canon RF 28mm f/1.4L USM and Canon RF 35 f/1.4L USM Lenses. Exciting one is fast prime in the form of RF 28mm f/1.4L USM.

Canon RF 28mm f/1.4L USM

  • Focal Length: 28.00mm
  • F-number: 1.42
  • Half angle: 37.69°
  • Image height:21.64mm
  • Lens total length: 140.62mm
  • Backfocus: 21.99mm

Canon RF 35mm f/1.4L USM

  • Focal Length: 34.98mm
  • F-number: 1.42
  • Half angle: 31.73°
  • Image height: 21.64mm
  • Lens total length: 154.45mm
  • Backfocus: 16.17mm

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New Patent : Canon RF 35mm f/1.2L USM Lens

Canon filed a new patent 2021-60475A (Japan) discusses various optical designs for a RF 35mm f/1.2L USM lens for RF mount. This is definitely a lens we are going to see in the RF lens lineup. Continue reading “New Patent : Canon RF 35mm f/1.2L USM Lens”