Tag Archives: Patents

The latest patent applications from Tamron, Canon and Sony

Tamron Patent 2012-242504 from Tamron is for a 300mm f/2.8 full frame lens for mirrorless cameras (?): Canon Patent 2012-247451 from Canon is for a 50mm f/1.2 lens: Canon 50mm f/1.2 full frame lens patent (for DSLR cameras) The next example is interesting – it looks like Canon filed a patent for a 50mm f/2.0 full frame mirrorless lens: Canon […]

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Sigma patents several APS-C lenses with image stabilization

Simga’s 2012-234169 patent has calculations for 30mm f/2.8, 30mm f/2.5, 28mm f/2.8, 24mm f/2.8, 50mm f/2.8 and 55mm f/2.8 lenses designed for APS-C sized sensor. The interesting part is that the described lenses have built-in image stabilization. On few occasions in the past Sigma has made statements that they are not interested in developing a mirrorless interchangeable lens system camera. My […]

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New patent from Olympus for a FT to MFT adapter

Few months ago Olympus did confirm their commitment to the Four Thirds format. The company recently filed a patent (2012-230323) in Japan for a Four Thirds to Micro Four Thirds mount lens adapter with built-in autofocus and image stabilization. This is not a surprise, since every manufacturer that has a mirrorless and DSLR cameras today also offers compatible lens adapters.

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The latest patents from Canon and Panasonic

Canon 12-28mm f/2-3.2 lens patent

Panasonic filed a patent 2012-226309 for a new 25mm f/1.4 Summilux lens for Micro Fourth Thirds cameras. For comparison, here is the lens design of the current Panasonic Leica DG Summilux 25mm f/1.4 ASPH model:

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Ricoh’s patent for a 5.3-22mm f/2-3.5 lens (for 1/1.7″ sensor)

Ricoh filed patent 2012211956 in Japan for a 5.3-22mm f/2-3.5 lens designed for a 1/1.7″ sensor (24-100mm equivalent). The lens design contains 11 elements in 8 groups, including two aspherical elements. This lens could be designed for the Pentax Q system, which has a 1/2.3″ sensor, or for a new GXR module.

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Olympus filed patent for a tilt lens

Olympus filed patent 2012-199834 in Japan for a tilt lens similar to a Lensbaby. Based on the patent description, the lens will not be able to “shift“. In addition to Lensbaby, some photographers have also successfully used third party tilt-shift bellows on Olympus m4/3 cameras. Novoflex recently announced new tilt-shift bellows compatible with different mirrorless system via an adapter:

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Olympus 8-20mm f/2.8-4 lens patent

Olympus filed a new patent in Japan for a 8-20mm f/2.8-4 lens for Micro Four Thirds:

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Pentax patent for a 70-200mm f/2.8 lens

Pentax filed a patent 2012-189817 in Japan for a 70-200mm f/2.8 lens:

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New lenses, curved image sensor patents from Sigma, Canon and Sony

Sigma filed patent 2012-181508 in Japan for 30mm f/2.8, 30mm f/2.5, 45mm f/2.8, 24mm f/2.8, 50mm f/2.8, 55mm f/2.8 mirrorless lenses. Canon filed patent 2012-159723 for a 14mm f/2.8 lens. The design contains 14 elements in 10 groups.

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Canon patents for 14mm f/2.8, 300mm f/4, 28-300mm f/3.5-5.6 and 28-135mm f/4-5.6 lenses

Two new Canon patents from Japan: 2012-159720 is for a 14mm f/2.8 lens with anti-reflective coating. The next patent 2012-159726 is for a 300mm f/4 lens.

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The latest Canon news/rumors

Canon made several headlines in the past few days – there is a Canon Rebel T4i product advisory about defective rubber grips that could cause skin allergies or irritation and another product advisory for the EXIF data of the Rebel T4i.  There could be also some issues with the EF-S 18-135 IS STM lens. This video […]

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Canon’s patent adds image stabilization to the 24-70mm f/2.8L lens

Canon’s patent 2012123156 adds image stabilization to the 24-70mm f/2.8L lens. Canon has filed 24-70mm f/2.8 lens patents in the past, but this is the first time they added IS to the lens design. Canon recently announced the EF 24-70 f/2.8L II lens, so another update is not likely to come out soon.

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