Polarizer is mainly used to suppress non-metallic surfaces highly reflective (polarized), revealing the original color and texture of the object, can also be used to improve the tone and hue of the sky, most commonly used filter especially in landscape photography, for digital its role is irreplaceable. NiSi's Square HD PL is coated with an original Japan polarizing film. This increases the longevity of the filter with high quality colour temperature. The polarizing rate can reach 99.8%. This is a must have for photographers looking for a top range polarizing filter.Made of high quality black glass. It consists of two pieces of HD optical glass and a Nitto polarizing film to impair polarizing light, allowing the colour cast to be low. This is a top choice optical filter, reaching the standards of the world class best brands. NiSi's Square CPL uses a precision polish to achieve the perfect parallelism degree of light. It balances the path of light without damaging the accuracy of the image,to provide the best image quality. According your actual needs, we offer different size for selection: 100 x 100mm square polarizer can be used on Canon 16-35,Canon 24-70,Nikon 24-70,NiKon 70-200 and other 52mm,55mm,58mm,62mm,67mm,72mm,77mm,82mm lens,will fit Lee FK, Cokin Z-Pro, Hitech 100mm, NiSi 100mm and other 100mm filter holders! 150 x 150mm square polarizer will fit Nikon 14-24 Lenses,Tamron 15-30mm Lens,Canon 14 Lenses,Sigma 12-24mm lens,Canon TS-E 17mm f/4 ,Zeiss 15 2.8/T*,Samyang 14mm,Hasselblad 95mm/86mm Lens,Schneider&Phase One 28mm and other Super Wide Angle Lens 180 x 180mm square polarizer is specially for Canon Lens EF 11-24 f/4 L USM
