Canon Filed Patent For New EF 400mm f/4L DO IS Lens
Egami has discovered a new  patent filed by Canon. Canon patent for the EF 400mm DO lens. Original article in Japanese for the new Canon patent can...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Sigma Filed a Patent for 25mm f/1.4 Micro Four Thirds Lens
Sigma filed a lens patent for Micro Four Thirds cameras. Â The patent (2013-3324) in Japan from Sigma is for Sigma 25mm f/1.4 lens for Micro...