The Tilta EF-Mount Lens Adapter Support for Canon C70 Cage in Black allows you to add extra support for your RF to EF-mount adapter when installed onto your Canon C70 camera. The compact, lightweight support mounts onto the front of the Tilta Full Cage for Canon C70 and provides support when you are using an RF to EF-mount lens adapter on your camera. The durable aluminium and stainless steel support provides two mounting threads to offer extra stability for your lens adapter when using heavy or long lenses and to keep it steady when using a follow-focus motor.