A quality ND filter (short for neutral density filter) cuts the amount of light coming into the camera without affecting the color or overall appearance of the image. While photographers often want ...

Since the 1800s, photo filters have been used to apply different effects to photographs. Nowadays, many of these filters are no longer relevant, due to the increasing capabilities of editing programs ...

Variable neutral density (ND) filters are handy tools for photographers, in that their opacity can be adjusted simply by rotating them. So, why not use them for adjustable-tint sunglasses? Well, ...