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Bigblue 77mm Underwater Barrier Filter

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User Manual for Bigblue 77mm Underwater Barrier Filter

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Bigblue 77mm Underwater Barrier Filter Contents of the user manual for the Bigblue 77mm Underwater Barrier Filter
  • Product category: Underwater Filters Bigblue
  • Brand: Bigblue
  • Description and content of package
  • Technical information and basic settings
  • Frequently asked questions – FAQ
  • Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
  • Authorized service for Bigblue Underwater Filters

User manual for the Bigblue 77mm Underwater Barrier Filter contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Bigblue product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Bigblue user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Bigblue product will considerably shorten its lifespan!



Product description

The 77mm 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.

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 Bigblue 77mm 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.

This filter is designed with the ability to be used on a camera lens within an underwater housing. It is constructed from acrylic and features a thin, aluminum-alloy filter ring for durability while remaining lightweight.
    • Blocks blue or UV light used to trigger fluorescent glow in fish, coral, or underwater life while allowing that fluorescent glow to be photographed or recorded
    • Can be used on a camera lens within an underwater housing
    • 4x to 8x filter factor reduces exposure by 2 to 3 stops
    • Constructed from acrylic with thin, aluminum-alloy filter ring
    • Plastic filter case for storage and transport
In the Box Bigblue 77mm Underwater Barrier Filter
  • Filter Case
  • 1-Year Limited Warranty
  • Table of Contents




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    Technical parameters

    Bigblue YF77MM Specs

    Filter Factor 8 (+3-Stop)
    Circular Size 77 mm
    Filter Material Acrylic
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 3.7 x 3.6 x 0.8"

    Rating

    60% users recommend this product to others. And what about you?
    Rating: 3 of 5

    This product has already been rated by 89 owners. Add your rating and experience with the product.

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