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 A7c vs Leica M-Monochrom Detailed Comparison
Sony Alpha a7C Full Frame Mirrorless Camera with FE 28-60mm f/4-5.6 Le
Sony a7C II review: small camera, little compromise: Digital Photography Review
Sony A7C Best Budget Compact Lenses
Leica M Rangefinder Lens to Sony Alpha E-Mount Camera Bodies – Fotodiox, Inc. USA
Sony a7C II Mirrorless Camera (Black) by Sony at B&C Camera
Sony A7C Silver + FE 50mm f/1.8 - Kamera Express
After 7 years of development - the Techart Leica M to Sony E Autofocus Adapter has returned with better autofocus performance - sleeker design and way more powerful motors.
TECHART Leica M to Sony E VII Autofocus Adapter at Midwest Photo
All the best Sony cameras in 2024 - Amateur Photographer
NEEWER Lens Mount Adapter Manual Focus Ring Compatible with Leica M Mount Lens to Sony E Mount Camera, Compatible with Sony A1 A9 A7 A7C A7R A7S A6600 A6400 A5000
Leica M Rangefinder Lens to Sony Alpha E-Mount Camera Bodies – Fotodiox, Inc. USA
Sony a7C II review: small camera, little compromise: Digital Photography Review
Leica KILLER! Sony A7C Street & Travel Photography Build! 40mm f2.5 G Lens, Clever Supply Co, K&F
Pairing SIGMA I series Lenses with Compact Mirrorless Cameras