The Leica 35mm f/1.4 Summilux Aspherical vs. ASPH FLE

"OK, now I am going to remove the 35mm f/1.4 Summilux Aspherical and put on the 35mm f/1.4 Summilux FLE ASPH.” Not a sentence that I speak frequently, however thanks to the generosity of a few friends of ours, I was able to compare these two iconic Leica lense...