There is some fierce competition in the interchangeable lens market right now, and some of the top players may come as shock. While it's hardly surprising that Canon is sitting at the top (although only just), the camera and lens giant is followed closely by third-party lens manufacturers Sigma and Tamron in Japan.
For the longest time, Canon, Nikon and Sony were the kings of portrait lenses, telephoto lenses and wide-angle lenses. However, in the last few years, Sigma and Tamron have not only released some seriously shout-worthy lenses but they’re often a lot more affordable than first-party equivalents.
