Im selling my Tamron 17-50 lens. It is a good lens with a very useful range, especially if you are shooting on a crop sensor. It has a constant aperture which is pretty handy. This has been my work horse for some time now, and Ive used it for plenty of professional video. I am selling it because it doesnt fit my new camera. Im listing it as good condition because of a few dings on the body, as ...