Tag Archives: Patents

Tamron filed a patent for a new 10-24mm f/3.5-4.5 lens

By PR admin | Published: November 11, 2010

Tamron filed a patent for what appears to be an update to the current SP AF10-24mm F/3.5-4.5 Di II lens. For comparison, here is the current model:

Posted in Tamron | Tagged | 18 Comments

Sony also filed a patent for a liquid lens

By PR admin | Published: November 8, 2010

Similar to Samsung, Sony also filed a patent for a liquid lens. Instead of rotating the focus ring, like on a traditional lens, liquid lenses are controlled by electricity that changes the different refractive indexes of the liquid the light passes through: “Disclosed is a liquid lens element. The liquid lens element includes a main body, a […]

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Canon files a patent for a new 24-70mm F2.8L II USM lens

By PR admin | Published: November 2, 2010

Canon applied for a patent in Japan for a new 24-70mm F2.8L II USM lens: For comparison, here is the diagram of the current Canon EF 24-70mm f/2.8L USM lens:

Posted in Canon | Tagged | 5 Comments

Samsung’s patent for a liquid zoom lens

By PR admin | Published: October 21, 2010

US patent 7725016 from Samsung is for a liquid zoom lens. The idea behind this patent is to reduce the size and power consumption of a conventional lens. This technology could potentially be used in mobile devices: “Consequently, the zoom camera of the disclosure has a disadvantage in that it requires a large space for the zoom […]

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Sony viewfinder patent shows new camera design

By PR admin | Published: October 15, 2010

Patent Application 20100259666 from Sony is about a transmissive liquid crystal panel that could be implemented in the optical finder and can provide superimposed indication of various parameters, such as AF area: The patent includes also diagrams of what appears to be a Sony camera body:

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The latest patents applications

By PR admin | Published: October 4, 2010

Olympus filed a patent application in Japan for a new 26-100mm (35mm equivalent) f/1.8-2.4 lens: Patent application: 2010-217478, filled on 03/17/2009 Focus length: 6.06-18.76 Fno: 1.85-2.39 (aperture) Angle of view: 78.41-27.50° Back focus: 7.33-9.19mm Length 60.49-62.17mm Zoom 3.88x Apple attempts to patent a smarter camera flash – the patent is about a flash redirector that will let […]

Posted in Apple, Canon, Olympus | Tagged | 3 Comments

Olympus patents

By PR admin | Published: August 29, 2010

Olympus filed an interesting patent in Japan for removing water drops from a lens by using a vibrating front element: Here are another four patents applications for the following Olympus m4/3 lenses (also filed in Japan): M.Zuiko 17mm F2.8 (already available) M.Zuiko 20mm F2.8

Posted in Olympus | Tagged | 20 Comments

Canon patent for EF 28-70mm F2.8 USM lens

By PR admin | Published: August 11, 2010

Not sure why Canon filed that patent two years ago, since the old Canon EF 28-70mm f/2.8 L USM lens was replaced by the EF 24-70mm f/2.8L USM. The details: Patent Publication No. 2010-145831 published 2010/07/01 filled 2008/12/19 Embodiment 3 focus distance f=28.7-68.00mm Fno=2.92 angle of view 74.02-35.30 image circle 43.28mm lens length 177.91-168.98mm back […]

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