Canon RF Patents: 70-300mm F4.5-7.2, 100-350mm F5-8 & 250-600mm F6.3-11

Canon has filed several new compact and lightweight zoom lens patents for RF 70-300mm f/4.5-7.2, RF 100-350mm f/5-8, RF 250-600mm f/6.3-11 lenses, which are designed for Canon full-frame mirrorless cameras. [Publication number] JP-A-2022-178447 [Publication date] 2022.12.2 [Patent application title] Zoom lens and imaging device having the same Example 1 (100-400mm F6.3-8) Focal length: 103.01 201.88 387.98  F number: 6.30 8.24 […]

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Patents: Canon RF 28-70mm f/2.8 & 24-70mm f/2.8 Lenses

Canon filed a patent describing 28-70mm f/2.8 and RF 24-70mm f/2.8 Lenses for Canon full-frame mirrorless cameras. It seems to be a patent on the optical system of the large-aperture zoom lenses “28-70mm F2.8” and “24-70mm F2.8” that are likely to adopt a retractable structure. [Publication number] P2022147945[Publication date] October 6, 2022[Patent application title] Zoom lens and imaging device Example […]

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Canon Patents: 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with Built-in Teleconverters

Canon has filed a new lenses patents for 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with built-in teleconverters. [Publication number] P2022142979 [Publication date] October 3, 2022 [Patent application title] Optical system, lens device, imaging device Example 1 ML Focal length: 389.00 F-value: 2.91 Half angle of view: 3.18 Image height: 21.64 Total length: 406.00 Back focus: 53.83 Example […]

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Canon RF Patents: 20mm f/1.8 IS, 24mm f/1.8 IS, 28mm f/1.8 IS Lenses

Canon has filed a new compact zoom lenses patents for RF 20mm f/1.8 IS, RF 24mm f/1.8 IS and RF 28mm f/1.8 IS Lenses lenses for Canon full frame mirrorless cameras. It seems to be a patent on an optical system that considers backlight resistance. [Publication number] P2022122047[Publication date] August 22, 2022[Patent application title] Optical system, lens device, imaging device […]

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Canon RF Patents: 16-28mm f/2.8, 16-28mm f/2.8-4, 16-28mm f/4 Lenses

Canon has filed a new compact zoom lenses patents for RF 16-28mm f/2.8, RF 16-28mm f/2.8-4, RF 16-28mm f/4 lenses for Canon full frame mirrorless cameras. RF 16-28mm f/2.8 RF 16-28mm f/2.8-4 RF 16-28mm f/4 [Publication number] P2022112179[Publication date] August 2, 2022[Patent application title] An optical system and an image pickup apparatus having the same. Example 1 (16-28mm F2.8) Focal length […]

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Canon RF Patents: 70-300mm F4-7.2 IS, 100-350mm F5.6-8 IS & 250-600mm F7.5-11 IS Lenses

Canon has filed several new compact and lightweight zoom lens patents for RF 70-300mm F4-7.2 IS, RF 100-350mm F5.6-8 IS and RF 250-600mm F7.5-11 IS USM lenses, which are designed for Canon full-frame mirrorless cameras. [Publication number] P2022106468[Publication date] July 20, 2022[Patent application title] A zoom lens, an image pickup device having the same, and an image pickup system. Example […]

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Canon RF Patents: 75mm F1.2, 85mm F1.2 & 95mm F1.2 Lenses

Canon has filed several new RF lens patents for 75mm f/1.2, 85mm f/1.2 & 95mm f/1.2 lenses for Canon full frame mirrorless cameras. [Publication number] P2019152682[Publication date] June 20, 2022[Patent application title] An optical system and an image pickup apparatus having the same. Example 1 (85mm F1.2) Focal length 85.00 F number 1.24 Half angle of view (°) 14.28 Image height 21.64 Lens overall length […]

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Canon RF Patents: 14mm F2.8, 16mm F2.8, 18mm F2.8 & 20mm F2.8 Lenses

Canon has filed several new RF mount high-performance wide-angle lens patents for 14mm f/2.8, 16mm f/2.8, 18mm f/2.8 & 20mm f/2.8, which are designed for Canon full-frame mirrorless cameras. [Publication number] P2022085382[Publication date] June 8, 2022[Patent application title] An optical system and an image pickup apparatus having the same. Example 1 (18mm F2.8) Focal length 18.20 F number 2.90 Half angle of view […]

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New Patent: Canon 16-160mm F2-4 Lens for 4/3 Imaging Sensor

Canon has filad a new lens patent for 16-160mm F2-4 Lens compatible with 4/3 sensors. Example 1 Focal length: 16.47-160.13F value: 2.27-4.12Half angle of view: 33.30-3.87Image height: 10.82Overall length: 146.48Back focus: 5.35 Since the image height is 10.8 mm, it seems to be an optical system compatible with the 4 / 3-inch image sensor. Of course, regardless of Micro Four […]

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Canon Patents: RF 9-18mm F4, 10-20mm F4 & 11-24mm F4 Ultra-Wide-Angle Lenses

Canon has filed several new RF mount ultra-wide-angle zoom patents for 9-18mm f/4, 10-20mm f/4 & 11-24mm f/4 Lenses, which are designed for Canon full-frame mirrorless cameras. [Publication number] P2022065512 [Publication date] APRIL 27, 2022 [Patent application title] Zoom Lens and Imaging Device Example 1 (9-18mm F4) Focal length 9.28 13.05 17.45  F number 4.12 4.12 4.12  Half angle of […]

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