Product Features1.Neo magnetic filter 4-piece set includes CPL polarizer and ND scrim (ND8,ND16,ND32), which can protect the drone lens and also make the imaging clearer.2.High-quality lens grinding process, so that it has good physical and chemical properties, combined with multi-layer coating high-definition imaging, so that take pictures more wonderful. Aviation-grade greens frame prevents light leakage or ghosting.3. The magnetizing sheet is involved to make the installation more convenient, more stable and safer.Product SizeProduct net weight: single 1.2gProduct Gross Weight: 26gProduct size: 19*2.3mmPackage size: 63.5*63.5*19mm