Leica Super-Apo-Summicron-SL 21mm f/2 ASPH Lens Review

 The L mount system now offers quite a range of different lenses at very different price levels; some might say quite disparate price levels. From the extremely low cost all the way up to what can only be described as premium lenses, the full gamut is there. Right at the top of the pile are the Leica SL lenses, now added to by the Super-Apo-Summicron-SL 21mm f/2 ASPH, billed by Leica as the widest and fastest 21mm apo lens in the world. The cost is high, so the lens has to have a very speci