haida 150x150mm red diamond 3-stop nd filter

0.9 Optical Density | Multicoated Surfaces, Rounded Edges | Antireflective Nano Coatings | Scratch-Resistant Hydrophobic Coatings | Shock-Resistant Glass Construction | For Haida 150 Filter Holder | Darkens Entire Image | Reduce Shutter Speeds, Widen Apertures