See my L-mount mirrorless wishlist
I have been tip-toeing up to the bad news that Leica M and Zeiss ZM lenses suck on the Panasonic S1R, notwithstanding the hallucinations surely being repeated yet again as with all prior mirrorless cameras. The special micro lenses on the S1R sensor are surely fodder for that—much ado about nothing in truth. Leica M land Zeiss ZM lens owners will have to hold out for an M11 with a 47MP sensor it seems, one tuned with sensor cover glass less destructive for image sharpness from ray angle.
That said, sharpness is not everything and there may be uses for lenses that have appealing rendering qualities, or cases where stopping well down is fine.
A goal of this series is to show that while impaired, the results can nonetheless be appealing for some types of images, and with stopping down the results can become quite strong, at least with lenses like the Zeiss ZM 35mm f/1.4 Distagon.
In diglloyd Leica M: