The Sony a7c pairs well with Leica M mount lenses. Give it a shot and you'll see for yourself how their sizes work well together.
Sony Alpha a7C Full Frame Mirrorless Camera with FE 28-60mm f/4-5.6 Le
Leica KILLER! Sony A7C Street & Travel Photography Build! 40mm f2.5 G Lens, Clever Supply Co, K&F
LEICA R 50mm SUMMICRON on Sony A7C with Autofocus
Sony A7C Review Read This Before You Buy It!
Leica M Rangefinder Lens to Sony Alpha E-Mount Camera Bodies – Fotodiox, Inc. USA
Sony a7C Mirrorless Camera Body, Silver {24.2MP} at KEH Camera
Sony A7c vs Leica M-Monochrom Detailed Comparison
Full-frame CMOS image sensor with 33.0 effective megapixels, The Sony a7C II Mirrorless Camera is the perfect camera for photographers and
Sony a7C II Mirrorless Camera (Black)
The Sony a7c is the Best Sony Camera for Leica M Mount Lenses