62mm ND Fader Neutral Density Adjustable Variable Filter ND2 to ND400 Filter(Black) Filter-Sony Earphone Case which can be used in

which can be used in desktop computers and mobile devices

And the bottom base can rotate

Support the use of mobile phones with 3

and the keycap is the same size

62mm ND Fader Neutral Density Adjustable Variable Filter ND2 to ND400 Filter(Black) Filter-Sony Earphone Case which can be used in1. Adjustable ND Filter ND2 to ND400 2. Rotating it in order to change 2 8 stops. It offers you the freedom the create different neutral density freely. 3. ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds. Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for