canon t3

  1. beetjuice

    Canon t3 and a Sigma lens trouble

    After much research (and some opinions on here) I bought a Sigma 70-200mm f2.8 lens for my Canon t3. The auto focus is off. I was reading on how to calibrate lenses to cameras with things like the Focus Pyramid, but I can't seem to find the option to calibrate in this camera. Am I missing...