Underwater 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.
Yellow barrier filter blocks visible blue light to properly see fluorescence
Included mask strap retainer secures filter and allows diver to flip filter out of way if blue lights are not being used
After diving store the yellow filter in the soft neoprene of the mask strap retainer to protect it from scratches
Nightsea Mask Filter comes standard with the Sola Nightsea; not included with the GoBe Nightsea