When I was using my Canon 5D (still have it just not using it much) the 135mm f2 L lens was one of my favourites. The focal length just suited my style of photography and, let's face it, the 135mm f2 lens is one of the sharpest lenses ever made. Those who argue with that last statement must have purchased a "Monday morning lens" or just aquired a bad copy. So when I ...