Category Archives: Nikon Patents

Nikon AF-S 105mm f/2 lens patent

Back in December of 2010 I reported on a rumor for a new Nikon AF-S 105mm f/2 VRII Nano lens: “2011 fall no more DC but VR and 77mm filter size min. focusing to 3.6 feet and max magnification of 1:3.4 priced at $2199 no more 135DC” Yesterday a patent for a new Nikon 105mm f/2 lens […]

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Nikon files patents for 10-30mm and 7-13mm lens for mirrorless cameras

Nikon filed a patent application 20110116172 (Japan, US versions) for a 10-30mm f/3.3-5.6 and 7-13mm f/3.5-5.6 lenses: Are those two lenses for Nikon’s mirrorless solution? Almost: the image height of both lenses is 7.96mm (sensor diagonal of 15.92mm) which suggests a crop factor of 2.8x. Previous patents and rumors indicated a crop factor of 2.5-2.6x based on a sensor […]

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Nikon files a patent infringement lawsuit against Sigma

This just in today – Nikon files a patent infringement lawsuit in Japan against Sigma over lenses with VR: “Nikon’s lawsuit seeks an injunction against Sigma’s manufacture and sale of infringing interchangeable lenses with vibration reduction for single lens reflex cameras, along with damages for past infringement. Although Nikon attempted to resolve Sigma’s patent infringement through […]

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Nikon patent for ON/OFF optical low-pass filter (OLPF)

Nikon filed a patent application in Japan (2011-97288) for an optical low-pass filter OLPF (aka as anti-aliasing filter) that can be turned ON or OFF depending on the need of the photographer: “The imaging device by the invention according to claim 1 receives object light via a photographing optical system, The low pass filter component which is arranged […]

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Interesting Nikon lens patents (incl. 10mm f/4 FX lens)

Three interesting lens patent applications were just published. The first one 20110109974 is for a 10mm f/4 full frame lens: Example 1 is for a 17 mm f/4. Interestingly the image height is 33mm. This makes sense for a tilt-shift with +-12 mm of shift: F0 = 17.11 FNO = 4.08 .omega. = 63.03.degree. Y = […]

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Review of the latest Nikon patents

Nikon filed a patent in Japan for a full frame 55-300mm f/2.8-4 lens:

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Nikon patents update (part 2)

Back in November Nikon filed patents for 24mm f/2.8 and f/3.5 full frame lenses. Few weeks ago, a new patent 201159288 was filed in Japan for a 24mm APS-C lens: Two different versions of this lens were described in the patent – one with f/2.0:

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