K&F Concept 37mm Variable ND4 64 CPL Filter, ND Polarizing Circular Fader Neutral Density Filter 2 in 1 for Camera Lens No X Spot Multi Coating

【VND & CPL filter 2 in 1】One filter has the Variable ND and CPL filter features, it can not only reduce the amount of light entering the lens but also darken skies, and manage reflections at the same time. 【No “X” cross on images】Say goodbye to the "X" cross on images, K&F CONCEPT utilize cutting-edge technology you're going to say goodbye to this common issue. 【HD Optical Glass】This ND filter is made by HD AGC optical glass, a total of 28 multi-layer coatings, effectivly reducing reflection from the filter itself and glare, ensuring a high-quality image. 【Hydrophobic & Scratch Resistant】Both glass sides of K&F CONCEPT ND filter with multi-layer hydrophobic, oil-proof, and scratch-resistant coating, protecting the nd filter from all round, suitable for adventure use. 【Choose the right size】Please to verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol.