Sigma filed a new patent in Japan for a 25mm f/1.2 lens for Micro Four Thirds sensors. In the past Sigma has filed patents for a 25mm f/1.4 and 75mm f/1.8 MFT lenses. In 2011 the company announced that it will start producing MFT lenses and currently has three different models: 19/2.8, 30/2.8 and 60/2.8.
→ Sigma filed a patent for a 400mm f/2.8 DG OS HSM lens. → Another Sigma patent: 24-105mm f/2.8-4 DG OS HSM Art lens. → Sony patented a tiltable attachment for lens style cameras. → Another curved sensor patent from Sony. → Sony patented a curved surface (multi-layer sensor) that corrects the angle in which light falls […]
→ Tamron and Sony filed a join patent for a 35mm f/2.8 full frame lens. → The first 100x zoom lens is patented by Canon: 3-300mm f/1.8-9 IS.
→ Tamron filed a patent for a 90mm f/2.8 Macro full frame mirrorless lens. → Canon has a patent for a 9-18mm f/3.5-4.5 APS-C mirrorless lens. → Canon filed a patent for EF-M lens adapter with improved AF speed.
→ Canon filed a patent for an Image Stabilization (IS) converter-like device that can be added to any lens without changing the focal length.
→ Tamron filed a patent for a 70-200mm f/4 VC lens. → Another interesting Tamron patent for a 28-320mm f/3.5-6.3 full frame mirrorless lens with image stabilization.
Canon filed a patent for a metal and plastic resin mount for DSLR cameras. The benefits of this solution are lower weight/cost and better mount sliding/smoothness when attaching lenses. Canon filed a patent for a CN-E 35-260mm f/2.8 LS soft focus lens for Super 35 cameras. Olympus filed a patent for correcting motion blur by taking […]
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