Big Four Mountain is a mountain in the Cascade Range of Washington, located 21 miles (34 km) east of Granite Falls.
Video of the Optical Ocean Sales underwater photo expedition – footage from the southern route of the Red Sea, on the Red Sea Aggressor in 2016. Shot by Margo Cavis with Panasonic GH-4 and Olympus 7-14mm Lens in Nauticam NA-GH4 housing, using Light & Motion Sola 8000 video lights.
Footage for the Optical Ocean Sales Review of the Light and Motion Sola Video Pro 8000 Light.
Footage shot by Margo Cavis.