Breakthrough Photography X4 CPL 77mm - Review

Looking for a high-quality circular polarizer filter that can take your photography game to the next level? Look no further than the Breakthrough Photography X4 CPL 77mm circular polarizer filter.

This filter is packed with features that make it stand out from the competition. First and foremost, it's the world's most color-neutral polarizer, which means you can trust it to deliver accurate colors without any unwanted casts or tints. While no polarizer can be perfectly neutral, the X4 CPL comes closer than any other filter on the market, guaranteed.

But that's not all. The X4 CPL is also the world's most advanced polarizer, thanks to breakthrough technologies that eliminate the yellow cast typically seen in other filters. Instead of a gradual transmission increase that starts around 600nm and then spikes uncontrollably near 650nm and beyond, the X4 CPL delivers a gradual transmission decrease from 600nm onward, resulting in warm, lively images without any obvious color casts.

One of the secrets of the X4 CPL's performance is its use of SCHOTT Superwhite B270(R) optical glass. This ultra-clear crown glass is produced through a continuous draw process that yields excellent transmission in the ultraviolet, visible, and infrared spectrums. It also has a high surface quality that accepts Breakthrough Photography's state-of-the-art MRC and nanotec(R) coatings exceptionally well.

Compatibility is also a non-issue with the X4 CPL. It fits easily onto all 77mm camera lenses, and you can easily find your lens thread size by checking underneath your lens cap or somewhere on the lens barrel. Just make sure you order the correct size for your lens.

Finally, the Breakthrough Photography X4 CPL comes backed by a 25-year ironclad guarantee. Each filter has a unique serial number that's laser-engraved onto the interior frame, and when you activate your guarantee, you'll be assigned that number for future tracking and support.

Overall, the Breakthrough Photography X4 CPL is a top-of-the-line polarizer filter that's packed with features and backed by excellent support. With its exceptional color neutrality, advanced technology, and compatibility with a wide range of lenses, it's a must-have for serious photographers everywhere.

Breakthrough Photography X4 CPL 77mm

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