Hoya 77mm #Red 25 Multi Coated Glass Filter Decimator The 67mm Underwater Barrier Filter

The 67mm Underwater Barrier Filter from BigBlue is designed to help capture images or video of fish or coral that emit fluorescence while being exposed to a blue or UV excitation light

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abundant operating memory

The preamp's active balanced solid-state input delivers extremely low noise and good common mode rejection

Hoya 77mm #Red 25 Multi Coated Glass Filter Decimator The 67mm Underwater Barrier FilterThis red filter is ideal for strong contrast improvement since it absorbs green and blue completely and enhances red. Clouds are dramatically improved almost to the mood of a thunderstorm. It is more effective in cutting through haze, and moonlight effects are easily accomplished. It is also suited for infrared photography. Multicoated to minimize reflection at the filter surfaces which reduces flare and ghosting.