There are different types of CPL filters on the market with different quality, workmanship and obviously price. For those who do not want to spend a lot, the products of this brand can be right for you thanks to the excellent quality-price ratio. Even in this new type of filter with the new technology came particles the quality is really excellent both in construction and in functionality, we will have a magnetic filter that will be applied on a ring that is previously screwed to our lens so that we can then apply all the magnetic filters that we have in our possession. This filter has a particular characteristic compared to the previous ones, the nanoparticle technology is a coating that guarantees excellent waterproofness, that is, the small water droplets will slide much more easily on the glass without leaving traces that can stain or create halos on the lens. The filter itself works very well like all filters of this kind by turning the filter clockwise or counterclockwise we will apply more or less this kind of filter that will cut or in any case reduce reflections and lights especially on reflective surfaces such as glass and water or even on hair it will remove the reflection of light creating a more homogeneous and less bright hair. A good product to always keep with you for the various occasions where reflections can damage our photographic creations.