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, ...

With prices for the K&F Concept Variable Fader ND 1-8.6 filter starting at just $20 for the smallest 40.5mm version and only going up to a still very affordable $30 for the most expensive 82mm model, ...

Without having other variable ND filters for comparison, we can’t make definitive comments on whether the Syrp filter is superior. But we can say that it provides a compact and versatile addition to a ...

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 ...

UK Optics have launched the advanced Novo Excel Pro 77mm ND-8-2000 variable ND filter. Providing a light reduction of about 3 to 11 stops (ND8 to ND2000), the Novo Excel Pro 77mm ND-8-2000 filter ...

The Tiffen Company (http://www.tiffen.com) is showcasing the new Tiffen Variable ND Filter line at this week’s Consumer Electronics Show (CES) in Las Vegas. It ...

Lens filters are terrific tools for photographers, be they gradient filters, neutral density filters, circular polarizers, color filters or all manner of others. But when you've got a bag full of ...

Another fantastic crowd funded film production tool: HolyManta offers a specialized lens adapter that places an adjustable ND filter between your camera and lens for "a convenient way to shoot video ...

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 ...

Built in ND filters are great. They let you shoot wide open in bright light, giving you control over depth of field. But that control is typically limited, because the amount of ND is only variable in ...

Reynard Corporation offeres customization of their Circular Variable Neutral Density (CVND) Filters. This technology is best used in high quality optical systems to change the intensity of light from ...