Tag: patent

Patent: Quad Pixel autofocus image sensor

Canon News has uncovered a patent application for a quad pixel autofocus…

Craig

Patent: Canon EF 10mm f/2.8L USM

A patent application showing the optical formula for an EF 10mm f/2.8…

Craig

Patent: Apodisation lenses, including the RF 85mm f/1.2L DS

Northlight has uncovered a USPTO patent that showcases various optical formulas for…

Craig

Patent: More diffractive optics super telephoto lenses

I'll be honest, the first 20 or so patents relating to diffractive…

Craig

Patent: Canon RF 70-300mm f/4-5.6 IS

Another detailed patent for an RF 70-300mm f/4-5.6 IS lens has appeared,…

Craig

Patent: Canon RF 100-400mm f/3.5-5.6L IS and more

More telephoto zoom lens patents for the RF mount have been uncovered…

Craig

Patent: Lots of super telephoto lenses mentioned

Canon's work on super telephoto lenses continues, and we expect to see…

Craig

Patent: Canon Back Side Illuminated (BSI) DPAF image sensor

Canon continues to work on new sensor designs based on the patents…

Craig

Patent: Non-L RF Mount zoom lenses

Northlight has uncovered a USPTO patent showcasing some telephoto zoom lenses for…

Craig

Patent: Canon RF 24-80mm f/4L IS & more

A patent showing a couple of higher-end Canon EOS R kit lenses…

Craig

Patent: Lots of EF-M zoom optical formulas

Canon continues to work away at EF-M lenses judging by this recent…

Craig

Patent: Canon 500mm f/4 DO IS and Canon 600mm f/4 DO IS

It seems patent applications for diffractive optic super telephoto lenses is becoming…

Craig