Leica 50mm f/1.4 Summilux-SL ASPH Aperture Series: Curved Creek, Using Field Curvature to Advantage (Panasonic S1R)
See my L-mount mirrorless wishlist and Leica M wishlist.
The field curvature and focus shift behaviorsof the Leica 50/1.4 SL are serious handicaps for landscape photography.
However, this aperture series from f/1.4 through f/9 looks at how the pronounced field curvature of the Leica 50mm f/1.4 Summilux-SL ASPH can be used to advantage with an appropriately shaped subject. In diglloyd L-Mount Mirrorless:
Includes images up to 125 megapixels, plus crops.

Panasonic S1R + Leica 50mm f/1.4 Summilux-SL ASPH
[low-res image for bot]