This yellow barrier filter is placed over the camera port when using ultra-violet
lights or strobes equipped with the a blue Excitation filter for
photographing underwater fluorescence. The yellow filter for 10Bar
fits over the housing's port and can be installed and removed during the course of the dive.
Looking for something different? Tired of night diving? Fluorescence
will give you a whole new perspective on the world beneath the waves.
With our line of excitation and barrier filters, you can convert your
existing lights into a fluorescence set-up. No need to purchase
expensive specialty lights or guided dives. Be the explorer!
ABOUT FLUORESCENCE
To see this underwater, you'll need a light with an "excitation
filter" attached AND "barrier filters" attached to both your mask and
camera system. What you'll generally see is a glow emitted from a
variety of corals and animals, mostly in greens, blues, and reds. You
may find two of the same type of corals—one which fluoresces, and one
which doesn't. Dive your favorite spots in a different light and see
what you've been missing!
Fluorescence is technically the photon emitted as an electron
relaxes from its excited state to its ground state. In layman's terms,
it's the glowing you are familiar with in glow sticks, jellyfish, and
forensics. A variety of organisms and materials above and below water
exhibit fluorescence—often with the introduction of a particular
wavelength of light.
Fluorescence photography may be captured during the day by
experimenting with using a very powerful, filtered light source and
under-exposing the ambient light.
