SKU: 94011327985

Bigblue 67mm Underwater Barrier Filter

Sale price$3928.50 Regular price$4365.00
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Description

Bigblue 67mm Underwater Barrier FilterFor Fluorescent Fish and Coral Images Use with Blue or UV Excitation Light Blocks Blue or UV Excitation Light Fluorescence from Excitation Can Pass 4x to 8x Filter Factor, 2 to 3 Stop Acrylic Construction Thin, Aluminum Alloy Filter Ring Plastic Case 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. Fluorescence is a

  • For Fluorescent Fish and Coral Images
  • Use with Blue or UV Excitation Light
  • Blocks Blue or UV Excitation Light
  • Fluorescence from Excitation Can Pass
  • 4x to 8x Filter Factor, 2 to 3 Stop
  • Acrylic Construction
  • Thin, Aluminum-Alloy Filter Ring
  • Plastic Case

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.

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 67mm 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
Type Fluorescence barrier
Size 67 mm
Filter Factor 4 to 8 (2 to 3 stop)
Effect Blocks rays from a blue or UV excitation light used to trigger fluorescence in various fish or corals while allowing the resulting fluorescence to pass through
Construction Acrylic
Front Filter Thread Size None
Front Lens Cap Size 70 mm (push-on)
Packaging Info
Package Weight 0.15 lb
Box Dimensions (LxWxH) 3.7 x 3.6 x 0.8"
In the Box
Bigblue 67mm Underwater Barrier Filter
  • Filter Case
  • 1-Year Limited Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 94011327985

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4.1 ★★★★★
Based on 15 reviews
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A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 4
Older flash drives might not work.
Port labels are too faint to read easily and the PD out port isn't labelled (I suppose they thought it was obvious since it has a fixed cable). The USB ports are speedy except it won't recognize any of my several SanDisk Cruzer Glides. Others flash drives work okay. Works great as an iPhone USB C to TV HDMI converter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
O
Verified Purchase
OG Ro
Draper, US
★★★★★ 5
Works as intended
I've been into emulators lately and this is a great HDMI out with charging capabilities to go with your high speed charging brick. Doesn't work for everything, but I can attest it works with the AYN Thor and a Google Pixel 8 Pro, and presumably higher end Pixels. Both have emulators and both come thru my TV just fine. Also works with Kodi. I tried to use wired controllers, but quickly figured I'm better off going Bluetooth on that route. I haven't tried file transfer or anything because all that mattered to me was getting it to the big screen. I'd rather have a docking stand for my needs, but freedom and flexibility isn't a bad thing for this device at a decent price and cheaper than a dock.
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Reviewed in the United States on May 10, 2026
C
Verified Purchase
Charlie Price
Carnegie, US
★★★★★ 5
Versatile hub adds the ports my Mac lacks
This 7-in-1 USB C hub from Anker has made it easy to connect my laptop to all the devices I need. The HDMI port consistently outputs 4K video at 60Hz, while the USB 3.0 ports and SD/microSD slots transfer files quickly without errors. I appreciate that the pass-through charging allows me to power my MacBook while using the hub, and the unit itself feels solid and well made. It's truly plug-and-play, with no drivers to install, and it greatly expands the limited port selection on modern laptops. The only minor drawback is that the hub can get a little warm under heavy use, but overall it's a reliable, convenient accessory that I feel confident recommending.
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Reviewed in the United States on March 26, 2026
M
Verified Purchase
M M
Draper, US
★★★★★ 5
Awesome USB-C Hub
My new MacBook Air has USB-C ports only, so I recently upgraded to this USB-C hub, a 7in1 Multi-Port USB-C Adapter, and it has completely solved all of my port needs. With the two USB-A ports, I can still use my old memory sticks, without replacing them, as well as two USB-C ports, all making moving files, movies and pictures, with ease. I needed something fast and reliability, and this little device delivers on both fronts. One of the USB-C ports it a power passthrough, which works great for charging device, like my MacBook Air. It is very easy to use, just plug and play, making it compatible with the MacBook Air. Also has a built in card reader, and a HDMI port, pretty much covering all your port needs. If you are looking for a well built, reliable, fast, and compact USB-C hub that can everything, this is the one to get. Highly recommended!
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Reviewed in the United States on May 5, 2026
M
Verified Purchase
Michael Breinig
Draper, US
★★★★★ 5
Good value and best of all - it works
This did the job I wanted it to. Expanded the ports when my laptop just ran out. No delay or ANY issue no matter what I plugged where and after a little figuring out where things went (not difficult) its performing very well. As far as value, its great. I always evaluate something by if I would purchase it again. Yes I would. if you need it, get it and set it up and move on with less worry about port capacity.
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Reviewed in the United States on May 28, 2026

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