The 45° viewfinder is another option for your underwater housing. It provides an undistorted, clear, bright 1:1 image of the camera's viewfinder. When shooting through most housing's standard viewfinders reducing optics make the viewfinder image appear smaller and farther away, and corner-corner viewing is rarely possible. These "magnifying" viewfinders provide a large image, wit..
The body of this high quality Wide Angle Port is made from hard-anodized marine-grade aluminum. The port is optical acrylic. Includes PVC rear port cap, spare o-ring, and silicone grease. Would you like to shoot macro with your wide angle port? It is now possible and easy with the Nauticam M67 Flip Diopter Holder for 4