Nauticam Viewfinder One at this Price Nauticam 180° straight underwater viewfinder is the perfect addition to your Micro Four thirds Underwater housing as it provides a bright, clear and undistorted 1:1 image of the camera’s viewfinder and is essential for precise focusing and artistic composition. The 180º straight viewfinder also provides more clearance for your regulator allowing for more a more comfortable viewing position. This is a Discontinued Model. This View finder has Been on 6 Ocean Dives.its in Great Condition. Panasonic GH5 and Other Micro Four third Camera Models.