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”

Canon Patents : New RF 20mm f/1.8L and RF 24mm f/1.8L Lenses

Here are the latest  Canon patents surfaced on the web. According to the patent application we can now see the the Canon RF 20mm f/1.8L lens and Canon RF 24mm f/1.8L lens.

Canon is working hard on the small and lightweight ultra wide lenses with good optical quality for the Canon EOS R series mirrorless cameras. In the latest patent application, Canon is requesting a patent for various optical mirrorless lens designs. See the patent details below. Continue reading “Canon Patents : New RF 20mm f/1.8L and RF 24mm f/1.8L Lenses”