The latest patents from Sigma, Sony, Canon, Apple and Ricoh

Sigma 400mm f : 2.8 DG OS HSM lens patent
→ Sigma filed a patent for a 400mm f/2.8 DG OS HSM lens.

Sigma 24-105mm f:2.8-4 DG OS HSM Art lens patent
Another Sigma patent: 24-105mm f/2.8-4 DG OS HSM Art lens.

Sony tiltable attachment for lens style cameras patent 2  Sony tiltable attachment for lens style cameras patent
Sony tiltable attachment for lens style cameras patent 3
→ Sony patented a tiltable attachment for lens style cameras.

Sony curved sensor patent
→ Another curved sensor patent from Sony.

Sony patented a curved surface multi-layer sensor
Sony patented a curved surface multi-layer sensor 2
→ Sony patented a curved surface (multi-layer sensor) that corrects the angle in which light falls on the sensor.

Sony filed patent 2012-182194 for a curved image sensor that will improve the sharpness in the corners of the image. Nikon filed similar patent two years ago.

Sony LCD OLPF filter
→ Sony has a patent for a LCD OLPF that can change a low pass filter by applying different voltages to the liquid crystal.

Sony 28-75mm f:3.5-5.6 lens patent
→ Sony filed a patent for a 28-75mm f/3.5-5.6 lens.

Konica Minolta 18-56mm f : 3.5-4.5 ASPH lens patent
Konica Minoltan 11-23mm f:3.5-4.5 lens patent
Konica Minolta 55-135mm f:3.5-5.6 lens patent
→ Konica Minolta filed a patents for a 18-56mm f/3.5-4.5 ASPH, 11-23mm f/3.5-4.5 and 55-135mm f/3.5-5.6 lenses designed for mirrorless APS-C camera.

Ricoh 16.4-500mm f:4-6.7 lens patent
→ Ricoh field a patent for a 16.4-500mm f/4-6.7 lens designed for a 1/2.3" sensor.

Canon patent for correcting vignetting
→ Canon's latest patent is for correcting vignetting by changing the exposure in different parts of the image based on the image height.

Another Canon lens patent: 24-600mm f/2-3 designed for 1″ sensor.

Apple field a patent for a 3-sensors iPhone camera
Apple field a patent for a 3-sensors iPhone camera with light splitting cube for accurate colors, improved low-light performance.

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