In fact, Canon is going after third party lens manufacturers that are blatantly violating its patent [0].
One of the problems Canon has faced recently is a flooding of the market with super cheap lenses (we're talking 50-200 dollars for total junk). The people that are buying them are justifiably upset when the photos are crap because they incorrectly think its a camera problem. Hey, a lens is a lens, right?
Anyhow, there's wide speculation that Canon will license to the quality quality third-party makers at some point [1][2].
One of the problems Canon has faced recently is a flooding of the market with super cheap lenses (we're talking 50-200 dollars for total junk). The people that are buying them are justifiably upset when the photos are crap because they incorrectly think its a camera problem. Hey, a lens is a lens, right?
Anyhow, there's wide speculation that Canon will license to the quality quality third-party makers at some point [1][2].
[0] https://petapixel.com/2022/09/06/canon-confirms-its-going-af... [1] https://www.canonrumors.com/forum/threads/sigma-to-make-a-ma... [2] https://www.canonrumors.com/forum/threads/the-state-of-third...