Tag: Canon RF 28mm f/1.8L USM Lens

New Canon Patents for 20mm f/1.8, 28mm f/1.8 and 24mm f/1.8 Lenses

New Canon Patent applications discusses optical formulas for three RF mount lenses. These lenses are 20mm f/1.8, 28mm f/1.8 and 24mm f/1.8 with backlight control.

From the patent literature: Continue reading “New Canon Patents for 20mm f/1.8, 28mm f/1.8 and 24mm f/1.8 Lenses”

Canon RF Patents: 18mm f/1.8, 20mm f/1.4, 21mm f/1.8, 24mm f/1.8, 28mm f/1.8 Lenses

Here is another Canon patent application for a bunch of fast prime lenses for the RF mount. Canon full frame mirrorless system is growing and we see quite more patents for this mount.

Keep in mind that the mere existence of a patent application doesn’t necessarily entail the described item will ever hit the market. So we might see changes when it comes to mass production.

Canon patent application 2021-193406 (Japan) aims to

[…] provide an optical system having high optical performance and less aberration fluctuation due to focusing. 

and discusses optical formulas for these lenses: Continue reading “Canon RF Patents: 18mm f/1.8, 20mm f/1.4, 21mm f/1.8, 24mm f/1.8, 28mm f/1.8 Lenses”