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The X4 CPL features SCHOTT Superwhite B270 optical glass which is an ultra clear crown glass. It is produced by melting high purity raw materials and then made using the continuous draw process. The result is excellent transmission in the ultraviolet visible and infrared spectrums and a high surface quality that accepts our state-of-the-art MRC and nanotec coatings exceptionally well.
- Introducing the worlds most advanced circular polarizer.
- Worlds most color neutral CPL. Guaranteed.
- Dynamic Range.
- Expand your dynamic range in-camera.
- A winning design proven by outdoor photographers.
- Worlds sharpest CPL filter.