[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...

After all, as evidenced by such pieces as the Canon EF-EOS mount adapter on ... Paying a good chunk of change to get a DSLR-to-mirrorless lens adapter may seem like an unnecessary hassle to ...

Top picks for 2025 - Discover the best lens choices for your EOS R camera for superior image quality and the latest ...

If you've got a brand-new Mirrorless camera and a collection of DSLR lenses, you may not be out of luck and can still use those lenses with your new camera.