I have a 135L that is fun to use, but I can't pick out the 135L images from the 85/1.8 images without cheating.
The way I can tell the difference between the 85/1.8 and the 135/2 is the bokeh. The 85's bokeh is a teeny tiny itsy bit nervous where as the 135's is smooth as butter.
That said, I love the 85/1.8; it's a true gem.
