[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 ...

Canon’s RF 16-28mm f/2.8 IS STM is a full-frame wide angle zoom with weather sealing, IS and a budget-friendly price ...

The fixed lens on this camera meant no zoom was possible. [Bastiaan] decided to address this shortcoming by building a Canon EF Lens Mount. The resulting build looks hilarious, but actually takes ...

This Sony E-mount to Nikon Z-mount converter is an affordable adapter with full electronic communication that supports seamless autofocus and image stabilization ...

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.