You asked
Can I adapt the leica summaron m 28mm f 5 6 to sony e?
Here is what the site says about that.
From Leica Summaron-M 28mm f/5.6: Leica Summaron-M 28mm f/5.6: A prime lens by Leica for Full frame cameras, 28mm f/5.6. A tiny remake of a 1950s lens, slow and with a vintage look. Specs - Maker: Leica - Focal length: 28mm (prime) - Maximum aperture: f/5.6 - Made for: Full frame sensors - Mounts: Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Leica M): as marked, 28mm. Cameras it ...
From Lenses: Adapters: Mirrorless mounts are shallow, so old manual-focus lenses from film cameras adapt easily and cheaply. It's a fun way to try fast or unusual lenses, without autofocus.
Quoted from this site's pages.