A waterproof 200DLM/B housing for the OM System OM-1 and OM-1 Mark II mirrorless cameras, rated to 200 feet (60 m). It uses the DLM lens port mount system and an Ikelite bulkhead strobe connector, and has a 100% clear back for monitoring the camera and for leak detection. Constructed of a lightweight ABS-PC blend; weighs about 2.9 lb. A compatible lens port is required for waterproof operation and is sold separately.