They’ve often got a whole bunch of electronics built in as well. [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.

Sigma recently made a long list of announcements ahead of CP+. These included the drastically different BF mirrorless camera, ...

So let's take a loot at the six most exciting cameras, lenses and moments at the show, plus other honorable mentions. It won't be for everyone, but Sigma's BF mirrorless camera was certainly the ...