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 ø 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 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: 2 x ND2-400 lens(52mm) 2 x 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.