B+W Circular Polarizing Filter T-Pro HTC 77 mm (1098347)With polarising filters you can achieve some of the most interesting and important effects in photography. That is why they belong to the basic equipment of every photographer. With these filters you can reduce reflections and get a clearer, more distortion-free image, for example when photographing reflective, non-metallic surfaces such as windows, glass showcases or water surfaces. You can also use polarising filters to bring out colours better and achieve higher contrasts, for example between landscapes and blue skies. The result is vivid images with great radiance.Features: -Filter type: Circular Polarizer -Filter diameter: 77 mm -Coating: MRC nano T-Pro -For super wide-angle to telephoto lenses -Extremely narrow design -For intense, high-contrast shots and the highest demandsHigh Transmission Käsemann: -High Transmission Circular Polarizer according to Käsemann -Filter factor 2 - 3 (1 - 1.5 f-stops) -Reduced reflections, more intense colours -Strong contrastsT-Pro: -Brass mount for high stability -Precious titanium finish -Functional coating for easy mounting and dismounting -Pollution-repellent, scratch-resistant MRC nano coating.