The RED Focus is a self-powered, illuminated PL mount diascope that allows you to set the PL backfocus and flange distance. The RED Focus is compatible with RED ONE, EPIC, and SCARLET cameras with a PL mount installed. Included are two AA batteries for operation.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov