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 ...

Colored filters enhance lunar details by improving contrast and reducing glare. Different colored filters highlight various features; yellow and blue filters are particularly useful. Neutral-density ...

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 ...

The neutral density filter is indispensable for landscape photographers. SOPHISTICATED SLR CAMERAS with their array of lenses can do many things, but there are still situations where a photo can only ...

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 ...

When DJI released its Mavic Mini—a drone small enough that it doesn’t need to be registered with the FAA before you take flight—it made the world of aerial photography and videography a whole lot more ...

Variable neutral density filters are very useful for photographers that like manual control in bright light. Instead of paying hundreds of dollars for one, though, you can make your own from just a ...

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 ...

One feature I'd really like, the equivalent of a neutral density filter to better handle scenes with bright and dim patches, appears headed for Lightroom. Stephen Shankland worked at CNET from 1998 to ...