For the past few years, Canon has been pushing the envelope when it comes to lens development, and it appears that they have no plan of slowing down anytime soon. There have been two new patents published, and each of them features two different extreme lens designs that are based on well-known DSLR lenses.

Northlight Images has uncovered two new patents that outline two new Canon lenses. These patents are for the RF 11-24mm f/4L and the RF 8-24mm f/4L Fisheye lenses. There is prior art for both of these lenses, which means that the existence of a patent does not necessarily indicate that a product will be brought to market.

The EF 11-24mm f/4L USM was a lens that received a lot of praise (I was a huge admirer of it when I reviewed it), and it would not surprise me if Canon decided to tweak it so that it could be used with the RF mount.

On the other hand, we have never seen a fisheye lens with a focal length of 8-24 millimeters before. However, the EF 8-15mm f/4L Fisheye USM has garnered a lot of attention for being a high-quality zooming fisheye lens. It has also enjoyed a good reputation for both image quality and creative potential. Therefore, an 8-24mm version would not be unheard of or unwelcome. Both of these things entering the market at some point would make my day!

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Freelance journalist Corey has been writing about digital photography since 2006, first as a deputy editor and then as the editor of a variety of photographic journals. Featuring expert product reviews and in-depth features

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