

→ 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 on the sensor.



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



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







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



→ 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 with light splitting cube for accurate colors, improved low-light performance.