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, ...

There are plenty of obscure Chinese brands vying for attention (and sales) across the world’s online stores. Neewer has become relatively well-known and trusted as a maker of good-quality, affordable ...

Syrp has developed a new Super Dark Variable ND filter that offers between five and 10 stops of adjustable exposure control and can be used for shooting stills and movies. An example of the use of the ...