With an adapter, it also makes a compact ergonomically excellent optic for mirrorless cameras also like Sony A7R), with a friendly ray angle for very high performance. The Sony A7R and A7 have very few good lens choices, so one is forced to seek out alternatives.
This scene was shot on the Leica M Typ 240 about a week ago. Now the ZM 85/4 rangefinder lens is put to the test on the 36-megapixel Sony A7R (using the Novoflex Leica M to Sony E-mount adapter). In Guide to Leica:
My interest here was in seeing just how good the 85/4 is when pressed harder, and perhaps to see whether it might hold up to a future 50+ megapixel sensor. Accordingly, to forestall shutter vibration issues, the scene was shot at dusk with a polarizer in order to drop shutter speeds to suitably slow levels.
This f/4 - f/16 aperture series includes HD and UltraHD images as well as the usual crops.
Specialty lens reviews always stick to their respective guides.