Ikelite Underwater Dome Port 6 Inch with Zoom Extended 0.375 Inch 200DLM Mount bulkheads "Dry Lock" refers to the

"Dry Lock" refers to the placement of the O-ring on the outside of the port mount

while also offering some added protection against impact and allowing the port to maintain a light weight

Auto-ranging input allows the charger to work in any country whose electrical system falls within a 100V - 240V range

Wide angle lenses make objects appear smaller

Ikelite Underwater Dome Port 6 Inch with Zoom Extended 0.375 Inch 200DLM Mount bulkheads "Dry Lock" refers to theIkelite 5516. 16 DLM 6 inch Dome Port with Zoom Extended . 375 Inch An extended dome port providing zoom function for most mirrorless interchangeable zoom lenses when used with the appropriate zoom sleeve. An optical grade acrylic 6 inch diameter dome allows you to fully take advantage of the angle of view of your lens. Acrylic produces virtually identical image quality to glass yet is much lighter weight and easier to pack. Ikelite's unique zoom