We didn’t think the built in extender on the EF 200-400mm f/4L IS 1. 4x was going to be a one off. Now a patent showing an optical formula for a new EF 400mm f/2. 8L IS with a 2 stage built in extender has appeared.
This would give the lens a focal range of 400mm, 560mm Read more. . . . canonrumors.com
Thanks to improvements in sensor design, iPhone and Android smartphones are gaining traction with enthusiast and professional creators. However, one area that has lagged behind developments in imaging sensors is image stabilization.
This patent application (Japan 2023-125903) has a lot of esoteric fast zoom lenses in some very nontraditional focal lengths. Many of the embodiments are missing the image height, however since we also have the half angle of view, we can work backward to verify if these lenses are meant for full frame or for APS-C.
Canon has filed a patent in Japan that shows what appears to be a compact built-in teleconverter that relies upon external controls and internal actuators to provide photographers with quick access to various focal lengths. [Read More]
In this Japan Patent Application, JP 2023-118490, Canon is investigating creating smaller built in teleconverters for use in lenses that we would normally not expect to see a teleconverter installed in.
It's been a few years since we first started reporting on the possibility of an affordable “box” style cinema camera from Canon. For a while we were running with the name Canon Cinema EOS C50.
Here is an interesting patent that we never thought we’d see from Canon. This one is for a “selfie stick” with all sorts of controls. Read more... The post Patent: Canon takes the selfie stick to the next level appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip.
A new patent showing off some lens element coating to help with ghosting and other anomalies has appeared alongside optical formulas for what appears to Read more. . . The post Patent: Optical formulas for a trio of wide f/1.