Haida 55mm NanoPro Magnetic ND 0.9 (8x) 3-Stop Filter without Adapter Ring

Optical Glass. No Color Cast Hardened, Easy Clean Top Coat Water, Oil, Dust, Fingerprint & Scratch Resistant Haida Magnetic Filters Are Fully Compatible and Interchangeable with Kase & ICE Magco Magnetic Filters Swap Filters Super Fast. Up to 4 Haida Magnetic Filters can be Stacked Extremely Lightweight. Filter Weighs less than 1oz