Bestsellers > Underwater Filters > Underwater Filters

Ikelite UR/Pro External Color Correction Filter, 2.2' ID


from: Ikelite


: :This UR Pro removable color-correcting filter is designed for use without flash.

Fantasea 41mm Red 'Wet' Filter, fits over port, for the FS-5, FS-6 & FS-9 or other Housings with 41mm Lens Port Diameter


from: Fantasea


: :Red Filter 41 fits over the housing port and can be installed and removed duringthe course of the dive. This 'Wet' filter enhances the quality of both still andvideo images when not using an artificial light source. The filter is mounted onthe housing lens port and held in place by O-ring friction. Compatible with FS-5, FS-6 and FS-9 Housings, as well as other major brands housings with a 41mm lens port diameter.

Ikelite Removable External Green Water Filter for 3.6' Diameter Ports


from: Ikelite


: :Enhances contrast and alters the color of green water to give your subject a rich, natural tone. Effective with available sunlight up to 80' (24m). For use without a flash.

Ikelite Underwater Filter f/ Olympus Digital Housing


from: Ikelite


: :This UR Pro removable color-correcting filter is designed for use without flash.

Ikelite Removable External Green Water Filter for 2.2' Diameter Ports


from: Ikelite


: :Enhances contrast and alters the color of green water to give your subject a rich, natural tone. Effective with available sunlight up to 80' (24m). For use without a flash.

Ikelite UR/Pro External Color Correction Filter for 3.6' Diameter Port


from: Ikelite


: :This filter alters the blue color of the water giving your subject a richer, more natural tone. The contrast of underwater photographs is also enhanced by use of this filter. Best when used in depthe up to 24m (80 ft) The diameter of this external color correction filter is 3.6'

Epoque Color Correction Filter for EL-120 HID Light


from: Epoque


: :The Epoque EL-120 CC is a Color Correction Filter for EL-120 HID Light. The filter brings the light's 7000° K color temperature down to a warmer 6000° k color temperature. This will make for a more pleasing color rendition in the underwater world.

Ikelite Removable External Green Water Filter for 3.0' Diameter Ports


from: Ikelite


: :Enhances contrast and alters the color of green water to give your subject a rich, natural tone. Effective with available sunlight up to 80' (24m). For use without a flash.

Fantasea 55mm Red 'Wet' Filter, Fits Over Port, for CP-3 Series & CP-6 or other Housings with 55mm Lens Port Diameter


from: Fantasea


: :Red Filter 55 fits over the housing port and can be installed and removed duringthe course of the dive. This 'Wet' filter enhances the quality of both still andvideo images when not using an artificial light source. The filter is mounted on the housing lens port and held in place by O-ring friction. Compatible with the CP-3, CP-3N and CP-6 housings or any other major brands housings with a 55mm lens port diameter.

Fantasea 46mm Red 'Wet' Filter, Fits Over Port, for the Ikelite, Olympus or other Housing Ports with 46mm Lens Port Diameter


from: Fantasea


: :Red Filter 46 fits over the housing port and can be installed and removed duringthe course of the dive. This 'Wet' filter enhances the quality of both still andvideo images when not using an artificial light source. The filter is mounted onthe housing lens port and held in place by screw thread. Compatible with Olympus housings or any other major brands housings with a 46mm threaded lens port.



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We've covered in too much detail how it's some sort of "open season" on Vonage when it comes to VoIP patents. After dealing with ridiculous and expensive patent lawsuits from companies who failed to actually innovate in the same way Vonage did, the company was pressured by Wall Street to quickly settle the various patent lawsuits filed against the company. Of course, rather than settle matters, that simply opened the door for other companies to go searching through their patent portfolios to see if there was anything they could sue Vonage over. Indeed, following those settlements it didn't take long for AT&T to dig up a patent and sue -- which was quickly settled as well. Thought things were over? No such luck. Nortel just showed up last month to sue and it took all of about a week and a half for Vonage to settle that case as well.

The Nortel case is slightly different because Vonage actually already had a patent infringement lawsuit going against Nortel, but it wasn't really initiated by Vonage. Instead, it had been initiated by a patent holding firm that Vonage bought in 2006. The end result of the settlement doesn't involve money changing hands, but just a cross licensing agreement for the patents. So what's the big lesson that Vonage and others have learned from this? It's certainly got nothing to do with innovating. It's to hoard as many patents as possible so that you have your own nuclear stockpile for when someone else sues you. Want to know why the USPTO is overwhelmed? It's not because there aren't enough examiners (as some will claim) or that there aren't enough funds. It's because the way the system now works is that you are supposed to file patents on every tiny little advancement so you can use it to protect yourself against lawsuits from everyone else. That's not about innovation. It's about waste. In the meantime, since it's still open season at Vonage, who's going to be next? There are a ton of other patents in the VoIP space that can surely be used in a lawsuit, right?

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Small and light enough for a shirt pocket, Samsung's Helix YX-M1 is a one-stop audio entertainment center with an XM radio, a digital music player, and room for 50 hours of tunes, but it comes up short on battery life.

This raw work-flow application isn't the Holy Grail many hoped it would be, but Apple Aperture 1.5 could make life easier for photographers who need to cull, retouch, and output large numbers of photographs quickly and efficiently.






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