[JeanieK]

Originally Posted by Britster

Here's one I'm looking at now,

Tamron af 75 300 millimeters f Camera Lenses at BizRate - Shop online for Computers & Software. Compare Prices and Read Consumer Reviews

or this

Amazon.com: Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens for Canon SLR Cameras: Electronics

Now what is the difference between a Tamron and a Canon lens?

Will the tamron fit on the Canon?