Northlight has uncovered a patent relating to a zoom lens design with two aperture stops. Within the patent are two different optical formulas, one for an EF 16-35mm f/2. 8 and another for an EF 24-70 f/2.
8. According to Northlight: The aim is to produce a zoom lens with constant minimum aperture, but having small variations Read more. . . . canonrumors.com
We’re obviously going to get an RF L macro lens sooner than later, and Canon News has uncovered another patent showing various optical formulas for Read more... canonrumors.com »
2020-04-16 19:27
Here’s a strange patent application from Canon, an optical viewfinder adaptor for a mirrorless camera. Canon News breaks down Japan Patent Application 2018-005126: This adapter would provide the half mirror assembly that would split the optical path between the image sensor and the viewfinder, and allow for simutaneous use of the image sensor and that Read more... canonrumors.com »
2018-01-11 18:42
Canon has patented a variable optical low-pass filter, or (OLPF) which uses the autoexposure sensor to change the low-pass effect up or down. Patent Publication No. 2016-173437 (Google Translated) Published 2016. canonrumors.com »
2016-11-02 14:32
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.