Do you know FluoDiving?
FluoDiving is diving
using ultra-violet light or a light with an "excitation filter" attached
to get the fluorescent colors of animals or plants in sea and fresh
water. To filter the blue light and let only pass the fluorescent colors
you must use a yellow filter and you will get spectacular pictures or
movies.
The underwater yellow filter can be attached or detached even
under water according to the current situation. With a small snap cord,
which is included here, the yellow filter can be attached to the housing
so it will not get lost.
Fluorescence is a process that begins with chemical compounds
called fluorophores as they absorb light energy from an outside source.
Atoms and molecules within the fluorophores then emit their own light at
lower energies and wavelengths that correspond to the original light
source, making the fluorophores appear to glow. The proteins in many
fish, coral, or other underwater life contain fluorophores, creating the
opportunity for unusual or unique images. Since blue or UV wavelengths
with their relatively high energy levels can yield the most intense
fluorophore reactions, blue or UV light sources are considered ideal for
producing the most colorful and easy-to-photograph fluorophore effects.
However, because the light from a blue or UV lamp used to excite
the atoms and molecules within the fluorophores is more intense than the
lower-energy fluorophore glow, such lamps can end up obscuring that
glow from fish or corals while trying to photograph them. The Mangrove
Underwater Barrier Filter makes it possible to capture images of
fluorescing underwater life by blocking the light from a blue or UV
excitation light being used to provide the energy needed to initiate the
fluorophore reaction while allowing the resulting glow into your lens
and camera.
