Intova Underwater Wide Angle Conversion Lens - IAL Vacuum Systems and Accessories These filters are not usable

These filters are not usable on dome ports

a wing nut is easily threaded onto the other side to let you tighten and loosen the bolt

Controlling the amount of light entering your camera is paramount to the success of any image-maker

Adjustable Base Tray / Rubber Grip Handle / Ball Mount

Material: Optical grade glass and acrylic

Intova Underwater Wide Angle Conversion Lens - IAL Vacuum Systems and Accessories These filters are not usableIntova Wide Angle Correction Dome Compatible Housing: The Intova Wide Angle Correction Dome (also known as Air Lens) is designed for waterproof housings with a 46mm thread mount. What is Air Lens? Air Lens is an optical system which uses air as an optical element. A pocket of air acts like an optical element to the performance refraction of light. The Air Lens only works when it is submerged into water or a fluid that has a higher refractive index