For phone.It is fit for travel , street photography, outdoor landscape, and time-lapse photography, weddings, vacations, and other fun , etc. Made of top optical glass and aluminum alloy frame, adopt 18 layer MRC coating, with 1-9 stops of adjustable light reduction and 360 rotation for precise dimming settings, this filter is perfect for diverse scenarios. The variable ND2-ND400 filter helps reduce the amount of light reaching the lens without affecting the color. The clip can be clamped on most smartphones to take pictures like a professional SLR camera. The 52mm VND filter can also work with the cameras with 52mm lens thread. Simply screw the variable ND filter on the phone clip, then clamp it on your phone, rotate the filter to a desired stop according to the light condition and start taking photos. During a photo , easily rotate the filter to adjust light exposure for different effects. Note: Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:Black Material:aluminum Package Contents: 1 * ND2-400 lens(52mm) 1 * Clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.