Exchange the mount on your Catta cinema zoom lens to make it compatible with a Leica L-mount camera using DZOFilm's Lens Mount Bayonet. This bayonet mount is designed for seamless integration with DZOFilm's Catta 35 to 80mm or 70 to 135mm cine zoom lenses. Its quick-bayonet mechanism allows for straightforward installation without the need for any additional tools.