Some factual errors in the short summary writeup -- You forgot to list the 50/1.4 SL (big, slow to focus, awesome quality. You must have tried it in Wetzlar). And the 16-35 hasn't shipped yet. It is promised for 1H2018. Also 35 and 50 mm Summicron-SLs are promised by year-end 2018, which probably means early next year...