High-quality 43mm Master 806M ND 1.8 6-Stop MRC Nano Neutral Density Filter for enhanced photography techniques Reduces light entering the camera by six f-stops, ideal for long exposure shots and maintaining depth of field in bright conditions Constructed with finely ground and polished special glass for optimal optical quality without compromising lens performance Features innovative thin-film technology and a sophisticated seven-layer multi-resistant coating to minimize reflections and improve light transmission Durable nano coating layer for protection against dirt, moisture, and scratches, simplifying filter maintenance Ensures uniform light attenuation across the visible spectrum for color-neutral images