【Magnetic Variable ND2-ND32 Lens Filter】SmallRig magnetic 52mm VND filter features 5 stops of exposure brightness, from ND2, ND4, ND8, ND16 to ND32. Balance exposure times by rotating the outer polarizer to reduce the amount of light when shooting rivers, waterfalls, traffics, etc. | 【Magnetic Design】SmallRig VND filter via magnet attraction to install and remove the filter, reducing the wear out for lens threads. The kit comes with a filter ring, your VND filter can be magnetically and securely attached to the matching magnetic filter ring, allowing for quick removal and replacement of filters. | 【No ”X ”Cross in the Picture】Rotating hard stop design at ND2 & ND32 for more precise control of shooting. Don't worry about X cross dark spot when shooting with wide-angle lenses. | 【Imported HD Optical Glass】This VND filter is made of premium imported AGC optical glass and true color film, which increases the light transmittance while achieving ultra-low color shift and producing accurate colors. Multi-layer double sided Nano coating makes the filter waterproof, stain-resistant, oil-proof and scratch-resistant. | 【Standard M Mount Design】The magnetic filter ring is suitable for all phone cages / cases with M mount. For example, suitable for SmallRig phone cage 4391 / 4396 / 4473 / 4392 / 4397 / 4393 / 4398 / 4077 / 4075 / 3562, for Moment M mount phone case, etc. The mount adopts a quick-release design for easy installation. | 【Kit Includes】52mm Magnetic VND Filter 4215 + M Mount Magnetic Filter Ring 3840C + Professional Microfiber Lens Cleaning Cloth + Portable Storage Case.