1. GreggS

    Canon 70-200mm f/4.0L IS USM

    Used and in excellent condition, this Canon Ultrasonic EF 70-200mm F/4L IS USM lens is looking for a good home. The lens comes with its original box and paperwork, and the soft case (see photos). Features: 70-200mm focal range Image Stabilization (IS) USM (Ultrasonic and Internalized Motor)...
  2. 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...
  3. DragonHeart

    Testing new lens

    DSC_1195 by Brian Benson, on Flickr