The DZOFilm DZAC03 Octopus adapter for lenses with EF and L-mounts is designed with an active locking system that eliminates gaps or wobbles when mounted on the adapter; no adjustment is necessary. DZOFilm adapter is solid, compact and reliable companion. Aluminum alloy metal improves long-term durability and is also lightweight: each adapter weighs no more than 299 grams. The stainless steel construction of the holders prevents any physical alteration due to temperature. Octopus adapters ensure durability and stability without performance degradation.