When used with a full-frame camera, the 35 mm captures a wider field, but most APS-C cameras will crop in to make it look like a 50 mm lens. The Canon EF 50 mm f/1.8, which costs $125 on Amazon ...

Canon has a few years of development behind the system, but there are still lenses only available in EF mount. And while we've seen a spattering of lenses from third parties, including autofocus ...