Tunable filters are optical filters that are suitable for applications requiring wavelength tuning. Two of their main specifications are the optical density (OD) and the out-of-band rejection. The ...

One filter that is in the camera outfit of many professionals is the neutral density filter, or ND filter as it's better known. The filter is less appreciated by amateurs and the reason it probably ...

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 ...

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 ...

New Hoya Variable Density filter in sizes from 52 mm to 82 mm. Each filter uses two polarising layers to control the amount of light that passes through the filter and into the camera lens. They can ...

Features / The Ultimate Guide To Landscape Filters: The Neutral Density Graduated Filter In our third installment of our guide, the Neutral Density Graduated Filter takes to the stage.