What Is A Tripod Mount Ring? A tripod mount ring is just another name for a tripod collar.  Please see the tripod collar page for a more detailed description of what it is, what it does and why you might want to use one. Additional Reading What Is A Tripod Collar? What Is A Monopod? The Ultimate Guide To Choosing  A Tripod Your browser does not support iFrame.
A wet port is a term used to describe a specific type of lens port for an underwater camera housing. Wet ports are dome-shaped, and they are often used at the surface of the water to shoot a photo that shows both above and below the water line. As the dome is lifted partially out of the water, a thin layer of water remains adhered to the dome, preventing droplets forming for a few seconds. This is when the photographer would take the photo, and it effectively means that they are shooting through a very thin layer of water, …