Tag Archives: Patents

New patents: Sigma 20mm f/1.8 DG HSM and Canon EF 16-35mm f / 2.8 L USM lenses

Canon EF 16-35mm f : 2.8 L USM lens patent

Sigma filed a patent in Japan for 20mm f/1.8 DG HSM Contemporary lens: Patent number: 2016-12034 Published on January 21, 2016 Filed on June 30, 2014 Focal length: 20.70 21.01 F-number: 1.84 1.95 Full angle of view 2ω: 93.42 90.34 The image height Y: 21.63 21.63 Overall length of the lens: 139.73 139.73 Canon has […]

Posted in Canon, Sigma | Tagged | 3 Responses

Sony FE 28-70mm f/2 lens patent

Sony FE 28-70mm f:2 lens patent

Sony filed a new patent in Japan for a FE 28-70mm f/2 lens. Here are the details:

Posted in Sony | Tagged | 22 Responses

New lens patents: Tamron SP 85mm f/1.4 Di VC USD and Sigma 30-300mm f/2.8-3.5 Super 35

Tamron 85mm f:1.4 full frame DSLR lens patent

Two new patents from Tamron and Sigma: Tamron filed a patent for a SP 85mm f/1.4 Di VC USD full frame DSLR lens. Sigma filed a patent in Japan for a 30-300mm f/2.8-3.5 Super 35 lens. Maybe Sigma is getting also into the cinema lens segment?

Posted in Sigma, Tamron | Also tagged | 24 Responses

Olympus Zuiko Digital 35mm f/1.4 full frame mirrorless lens patent

Olympus Zuiko Digital 35mm f:1.4 full frame mirrorless lens patent

Few days ago I reported on a new Olympus 28mm f/2 full frame mirrorless lens patent. Today Egami spotted another Olympus patent filed in Japan for a 35mm f/1.4 full frame mirrorless lens. Just like the previous 28mm f/2, this 35mm f/1.4 lens is calculated for a sensor slightly smaller than a “real” full frame.

Posted in Olympus | Also tagged | 19 Responses

Interesting: Olympus files a patent for a 28mm f/2 full frame mirrorless lens

Olympus 28mm f:2 full frame mirrorless lens patent

The latest Olympus patent filed in Japan is very interesting – it’s for a 28mm f/2 full frame mirrorless lens. I guess we can now officially start the Olympus full frame mirrorless camera rumor (of course filed patents are no guarantee for future products). Additional patent information:

Posted in Olympus | Also tagged | 20 Responses