Canon has just announced a brand new EF 70-200mm f/2.8L IS lens - the 70-200mm f/2.8L IS II. This is one of Canon's most popular L-series lenses, and is pretty much a must-have for most serious wedding and event photographers. I have the non-IS (image stabilized) version, which works fairly well in most scenarios, but I've heard the IS version allows you to hand-hold shots in scenarios where the non-IS version would fail. Here's some information on it: Canon has improved the optical performance by redesigning the internal elements, incorporating a fluorite element and a fifth UD element to help ...