Original Leica Leitz Short Lens Bubble (2942) for M mount
This lens bubble is compatible with various Leica M series models, including the M6 TTL, M7, M4, M5, M10, M240, M4-2, M2, M6J, M3, M4-P, MP, and M1. The Leica Leitz Short Lens Bubble is original as provided for early M mount lenses.