Originally Posted by Fuchs
I'd go for a Leica M7 0.85 for shooting 35mm or 50mm lenses. Even the 0.72 VF has slightly more magnification than the Hexar's and this turns useful with fast lenses shot wide open.
I'm lucky to have both. I keep a 35mm Cron Asph on the Hex RF and a 50mm Elmar-M (latest version) on the 0.85 M7. Since I wear glasses, the 35mm doesn't work well on the M7.