patent
Canon Files Patents for 45mm, 50mm, 60mm Prime Lenses
Egami, the Japanese Photography Blog has identified more patents filed by Canon, Japan. The patents refer to a number of lens designs : 50 mm f/1.4, 50 mm f/1.2, 45mm…
Canon Patent For New 14mm f/2.8 With Improved Surface Coating
Egami found a patent filed by Canon for a 14mm f/2.8 lens with a new anti-reflective coating, Subwavelength Structure Coating. This method optimizes the refractive index and allows for a thinner anti-reflective…
Canon Patent For New Lens Mount Type
Egami (translated) spotted an interesting patent filed by Canon. When mounting a lens on a camera body, and holding the lens, the rotating focus or zoom ring can make the operation…
Canon Filed Patent EF 14mm and EF 17-35mm With Flourite
Canon has filed patent for a wide angle flourite concept. Egami discovered two new Canon patents. Such a patent could be part of a new ultra-wide zoom lens, EF 14-24mm or…
Sony Filed a Patent for 35mm f/1.8 Full Frame E-mount lens and Fast 24mm Mirrorless Lens
Sony filed a patent application in Japan (2013-37081) for a 35mm f/1.8 full frame E-mount lens. Also Sony filed another patent (2013-37080) is about a new 24mm f/1.8 and 24mm f/2.2 lenses…
Canon Ranks Among Top Five U.S. Patent Holders For Over 25 Years
News from Canon side says that the company reaches a new record with more than 3000 patents issued. Canon’s press release is below. Canon Reaches a New Record With More…
Olympus Filed a Patent For All in Focus Macro Technology
Olympus has come for a new patent application for all-in-focus macro technology. The new technology helps users to get more sharp and focused macro images of the subject. All in Focus Macro…
Canon 17-85mm F/4-5.6 Image Stabilized Lens Patent
Canon’s latest patent filed in Japan is for 17-85mm F/4-5.6 lens. Canon filed a patent for 17-85mm F/4-5.6 Image Stabilized lens and when we look at the patent details, chromatic aberrations are reduced…
Nikon Filed a Patent for 58mm f/1.4 Prime Lens
Nikon has come for a new patent application for 58mm f/1.4 lens. Nikon 58mm f/1.4 will be the new prime lens. New 58mm f/1.4 lens has 9 elements in 5 groups with 2 aspherical…
Sigma Filed a Patent for 25mm f/1.4 Micro Four Thirds Lens
Sigma filed a lens patent for Micro Four Thirds cameras. The patent (2013-3324) in Japan from Sigma is for Sigma 25mm f/1.4 lens for Micro Four Thirds cameras. Sigma currently…
