This is the one lens I always come back to, whenever I foolishly part with it for the latest and greatest.
If ever write a review about the Leica 50mm Summilux ASPH f/1.4, I will include the table below, which I put together using data from Lenscore.org.
If there is another 50mm lens out there that better balances performance, speed, size — and (gasp!) even price — I haven’t seen it.
(click the table for a larger view)