Canon RF Patents: 18mm f/1.8, 20mm f/1.4, 21mm f/1.8, 24mm f/1.8, 28mm f/1.8 Lenses

Canon has filed several new RF mount wide-angle prime lens patents for the Canon full frame mirrorless cameras. [Publication number] JP 2021-193406(P2021-193406A) [Publication date] December 23, 2021 [Patent application title] Optical system and imaging device Embodiment 1 Focal length (mm): 18.54 F number: 1.85 Half angle of view (degree): 49.41 Image height (mm): 21.64 Lens length (mm): 107.66 Back focus […]

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New Patent: Canon RF 17-85mm f/4-5.6 Lens

Canon has filed a new lens patent for the RF 17-85mm f/4-5.6 Lens for Canon full-frame mirrorless cameras. See the patent details below. [Publication number] JP 2021-182053(P2021-182053A) [Publication date] November 24, 2021 [Patent application title] Optical system and imaging device Canon RF 17-85mm f/4-5.6 Lens Focal length 17.50 40.00 83.50 F value 4.10 4.50 5.70 Half angle of view (°) […]

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Canon Patents: RF 28-70mm f/2.8 & RF 28-60mm f/4 Lenses

Canon has filed two new RF lens patents for the RF 28-70mm f/2.8 and RF 28-60mm f/4 Lenses for Canon EOS R system. Take a look at the patent details below: [Publication number] JP 2021-179550(P2021-179550A) [Publication date] November 18, 2021 [Patent application title] Optical system and imaging device Embodiment 1 Zoom ratio: 2.35 Focal length (mm): 28.84 39.89 67.90 F […]

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Canon RF Patents: 40mm f/1.1, 35mm f/1.0, 32mm f/0.95 Cinema Lenses

Canon has filed several new RF mount lens patents for the 40mm f/1.1, 35mm f/1.0 and 32mm f/0.95 Lenses, which are designed for RF mount Cinema cameras. Canon Mirrorless Reduced 40mm F1.1 Focal length 40.14mm F-number 1.13 Half-angle 20.24° Image height 14.80mm Lens Overall length 93.90mm BF 11.81mm Canon Mirrorless Reduced 35mm F1.0 Focal length 36.54mm F-number 1.03 Half-angle 22.05° […]

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Canon RF-S 18-45mm f/4.5-6.3 Lens Patent

Canon has filed a new lens patent for the RF-S 18-45mm f/4.5-6.3 Lens for APS-C mirrorless cameras. See the patent details below. [Publication number] JP 2021-162822 (P2021-162822A) [Publication date] October 11, 2021 [Patent application title] Optical system and imaging device Embodiment 1 Focal length: 18.53-43.65 F value: 4.54-6.50 Half angle of view: 33.78-17.38 Image height: 12.40-13.66 Overall length: 92.00-83.05 Back […]

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

Canon has filed a new lens patent for the RF 28-70mm f/2.8 Lens for Canon full-frame mirrorless cameras. See the patent details below. [Publication number] JP 2021-156963 (P2021-156963A) [Publication date] October 7, 2021 [Patent application title] Optical system and imaging device Embodiment 1 Zoom ratio: 2.35 Focal length (mm): 28.84 36.81 67.90 F number: 2.91 2.91 2.91 Half angle of […]

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Patent: Canon RF 180mm f/3.5L Macro, RF 140mm f/3.5L Macro and RF 200mm f/4L Macro

Here is a new Canon patent application for RF-mount lenses. As of September 30, 2021, Canon’s patent application has been published. It includes examples of telephoto macro lenses that are likely to be “RF 180mm F3.5 Macro”, “RF 140mm F3.5 Macro”, and “RF 200mm F3.5 Macro”. Canon RF 180mm f/3.5L Macro USM Focal length 174.43mm F-number 3.50 Half angle of […]

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

Canon has filed a new lens patent for the RF 16-30mm f/4-5.6 Lens for Canon full-frame mirrorless cameras. See the patent details below. [Publication number] JP 2021-148949 (P2021-148949A) [Publication date] September 27, 2021 [Patent application title] INDUSTRIAL APPLICABILITY A zoom lens, an image pickup device having the same, and an image pickup system Embodiment 1 Zoom ratio 1.79 Wide-angle intermediate […]

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New Patent: Canon RF 100-400mm f/5-7.1 IS USM Lens

Canon has filed a new lens patent for the RF 100-400mm f/5-7.1 IS USM Lens for Canon full-frame mirrorless cameras. See the patent details below. Canon RF 100-400mm f/5-7.1 IS USM Focal length: 103.00mm 200.00mm 388.50mm F-number: 5.00 6.26 7.10 Half angle of view: 11.86° 6.17° 3.19° Image height: 21.64mm 21.64mm 21.64mm Lens overall length: 215.58mm 255.38mm 293.58mm Backfocus: 38.40mm […]

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Canon RF Patents: 22mm, 24mm, 33mm & 35mm f/1.4 Lenses

Canon filed a patent discussing optical designs of RF 22mm f/1.4L, 24mm f/1.4L, 33mm f/1.4L and 35mm f/1.4L USM lenses for Canon full frame mirrorless cameras. [Publication number] JP 2021-113905 (P2021-113905A) [Publication date] August 5, 2021 [Patent application title] Optical system and imaging device Embodiment 1 FOCAL LENGTH (MM): 35.00 F NUMBER: 1.42 HALF ANGLE OF VIEW (DEGREE): 31.73 IMAGE […]

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