Japan Patent 2021-18277A shows off a bunch of optical formulas for various fast prime lenses for the RF Mount. Included in this patent are two Read more. . . The post Patent: RF prime lenses including an RF 24mm f/1.
4L USM and RF 50mm f/1. 4 USM appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip.
. canonrumors.com
It looks like one of the most requested new lenses for the RF mount is getting closer with the latest patent designs from Canon. Canon Read more... canonrumors.com »
2020-12-26 19:39
Yesterday I posted a patent showing the optical formulas for both an RF 15-35mm f/4L and an RF 16-35mm f/4L. I noted that an RF Read more... canonrumors.com »
2020-11-27 21:01
A new Canon Japan patent shows the optical formulas for various RF 50mm f/1.4 designs as well as an RF 35mm f/1.4. This patent deals Read more... canonrumors.com »
2020-11-05 16:50
It looks like Canon is serious about the 17-70mm focal range for a new lens design as discovered by Canon News. This isn’t the first Read more... canonrumors.com »
2020-01-23 16:20
Canon News has uncovered a patent which details the optical formulas for a couple of super telephoto zooms, including an RF 70-400mm f/4.5-5.6L IS USM, Read more... canonrumors.com »
2019-09-20 13:55
A patent application showing the optical formula for an EF 10mm f/2.8 prime lens has been filed in Japan. Japan Patent Application 2018-233223: Focal length: Read more... canonrumors.com »
2019-03-14 16:42
Northlight has uncovered a USPTO patent that shows an optical formula for an RF 24-70mm f/2.8L USM along with the already released RF 28-70mm f/2L Read more... canonrumors.com »
2019-01-11 16:00
We expect to see an RF 70-200mm f/2.8L IS USM announced some time in 2019 as part of the “holy trinity” of f/2.8 zoom lenses Read more... canonrumors.com »
2019-01-03 20:19
Canon’s new RF mount is going to be at the forefront of R&D going forward, and that should bring us a lot of optical formula Read more... canonrumors.com »
2018-12-06 16:38
Northlight Images has done their usual weekly sorting of Canon patents to find some that may be of interest to the community and it looks Read more. . . The post Patent: Canon RF 24-70mm f/2. canonrumors.com »
2018-09-06 19:50
A patent showing another crazy superzoom has appeared, this time the optical formula is for an EF 28-560mm f/2. 8-5. 6L USM. We’d assume such a lens would also have IS if it ever came to market. canonrumors.com »
2016-08-15 15:15