K&F Concept Variable ND2-400 ND Neutral Density Fader Adjustable ND2 ND4 ND8 ND16 ND32 to ND400 Lens Filter for Camera Lenses with Blue Coating Optical Glass (37MM)

[9 Stops Adjustable] Reduces the amount of light that passes through the lens by 1-9 Stops. Allows the use of slow shutter speeds, with high speed films or digital cameras, to record movement/image blur in subjects such as waterfalls, clouds or any fast moving subject. Extra tough frame that ensures durability and prevents jamming. ND2-400 with Blue Coating.Eliminates overly bright & washed-out images. Enables slow shutter speeds to record movement in subjects such as waterfalls providing a silky smooth effect to flowing water. Rotating ring between ND2-400 giving great versatility in changing light. Reduces the amount of light without affecting colour balance. 【Note】This Filter kit is compatible with all 37mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "ø" (diameter) symbol.