The Thypoch M Mount Positive Lock Adapter M-l is a precisely engineered accessory for professional film and video applications. It features a cinema-standard Positive Lock mechanism that prevents micro-movements caused by external forces such as follow-focus systems, ensuring image stability and recording security. The adapter system integrates a dual-locking concept: the first lock secures the connection between the lens and the adapter, while the second additionally secures the locking ring, preventing accidental release and dropping of the lens. A removable grip module can be repositioned as needed or replaced with a flat, non-slip variant to avoid conflicts with camera button layouts or working habits, enhancing flexibility. Made from aircraft-grade aluminum alloy through CNC machining, the adapter ensures an exact flange focal distance to maintain the optical performance of the lens. Durability tests with over 50,000 mounting and dismounting cycles confirm its reliability for long-term intensive use in demanding environments. The adapter is compatible with mirrorless camera systems and supports standard M-mount lenses. Dimensions and weight are optimized for professional handling, with specific measurements to be verified according to user requirements.