Patent: Canon RF 300mm f/2.8L IS 1.4x plus other supertelephoto optical designs
One of the most popular, if not the most popular "big white…
The Canon RF 300mm f/2.8L IS USM appears to be getting closer [CR3]
One of the most requested super telephoto lenses for the RF system…
Patent: Canon patents RF 200mm f/2L IS, RF 300mm f/2.8L IS and RF 500mm f/4L IS optical formulas
Canon is obviously working on RF mount versions of the legendary EF…
Canon will release RF versions of the 300mm f/2.8 and 500mm f/4 in early 2022 [CR2]
As you may already know, Canon plans to officially announce the RF…
Patent: Canon RF 200mm f/2L IS USM and other Big White Lenses
It's no secret that Canon is going to announce a slew of…
Two ‘Big Whites’ coming for the RF mount in 2021 [CR2]
I really wanted to know when we would be seeing our first…
Patent: Lots of fast RF prime lens optical formulas
Keith over at Northlight Images has uncovered a patent at the USPTO…
A Canon RF 300mm f/2.8L IS USM is on the way [CR2]
We've previously reported that Canon will be introducing an RF 500mm f/4L…
The first supertelephoto for the RF mount to be an RF 500mm f/4L IS [CR1]
We were told that development for RF mount super telephoto lenses is underway…
