Why Canon? It's the glass my son, the glass...and the price I recently bought a kit for a friend. A 24 f2.8, a 50, f1.4, a 85 f1.8, a 135 f2, and a 200 f2.8. we added that to a tank. Bag full of some of the best glass in the world & a 90 for less then $1200...nothing else can touch that