Adapter accepts Conventional 58mm Lens Caps and can be left on your lens 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 and adapter Weighs Around 0.8 oz Thin Profile. Ideal for Wide Angle Lenses