Ikelite 6441.16 Yellow Barrier Fluorescence Filter for 3.9 diameter travel and other standard dive equipment

and other standard dive equipment components

63 Underwater Housing for Sony Alpha a6300 Camera

Settings are clearly indicated even at night by a series of LED lights

a yellow barrier mask filter is included

offering solid performance at a moderate price

Ikelite 6441.16 Yellow Barrier Fluorescence Filter for 3.9 diameter travel and other standard dive equipmentTo see this underwater, you'll need a light with a dichroic "excitation filter" attached AND a yellow "barrier filter" on 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 coralsone which fluoresces, and one which doesn't. Dive your favorite spots in a different light and see what you've been missing! Fluorescence is