Freewell Magnetic Quick Swap System 72mm Neutral Density ND16 (4 f stops) Camera Filter

Very Important: Inside the black envelop, you get a QR code INSTALLATION INSTRUCTION card please see the video before start using the product. Installation: Now switch your filter in 2-3 seconds with Freewell Quick Swap Magnetic system no more threading Optical Glass: Made using the High Definition Premium Optical glass double-side multicoated Zero chromatic aberration (color shift) Function: ND16 (4 f-stops) Neutral Density Filter helps during normal sunny day to control depth of field What is Included: Empty Magnetic Base Ring, CPL Filter, Lens Cap, Microfiber Cleaning Cloth, Storage Case