Product complies with description.Un circular polarizing filter very effective, and very interesting for lovers of saturated colors. Indispensable in strong lighting. Certainly not the cheapest product on the market, but a very well finished product, and proven optical quality. We must not forget that whatever the device and the sensor sensitivity, it is above all the quality of optics that contributes to the quality of the photo. To do this, the filter must be at least equal quality to that of objectif.Donc, not too much "economy to consider that side ...!
