Neewer has come a very long way from being one of those obscure Chinese photographic brands, since it launched back in 2011. The company makes everything from all sorts of studio and location lighting ...

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, ...

Circular Variable Neutral Density Filters change the intensity of light from 100% to less than 0.1%. As the filter rotates, beam intensity changes due to variations in the metallic coating around the ...