Professional quality, Anti-reflection coating, Minimized internal reflections, Antistatic, water and oil repellent coating, Colours and contrast enhanced, Suitable for behind glass photography for example, Attachable cap Type de filtre: Polarisant Densité du filtre: ND 2.5 (1 + 1/3 stops) Système de fixation: Vissant Diamètre du filtre: 72 mm