Light & Motion Nightsea Mask Filter camera-accessories while the included liner adds

while the included liner adds warmth and comfort for extended underwater use

Its ultra-low profile and ergonomic mouth area are designed for comfort and streamlined performance under a mask

a mask strap grip pad secures the mask

Fitted with reinforcements on knee pads

You can then connect the lightto a 1" ball-joint arm system with a Ball-Joint Clamp Adapter

Light & Motion Nightsea Mask Filter camera-accessories while the included liner addsUnderwater fluorescence uses lights illuminating with blue LEDs to cause proteins and minerals to fluoresce brightly. To properly view the Nightsea experience, this yellow mask filter completely blocks out the visible blue light to view the psychedelic and brilliantly saturated colors and patterns of fluorescence.