Wide-aperture prime lenses offer a great way to achieve photos with a sharp subject and a blurred background, and they get great shots indoors or outdoors, day or night. If you are using a Canon ...

Canon 's recent patents for a 24mm f/0.7 and 32mm f/0.75 lens are making waves, and it's easy to see why. The faster the lens ...

To find this out, multiply your lens's focal length by 1.5 if you're using an APS-C Nikon, Fujifilm or Sony camera, 1.6 if it's an APS-C Canon camera, and 2.0 if it's a Micro Four Thirds camera.

[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 ...

The widest lens in the hybrid range, the Canon RF 20mm f/1.4L VCM is also the company's widest professional lens; only the ...