Taiwan-based filter maker STC is offering an Astro-Multispectra Clip Filter for several full-frame Nikon DSLR cameras, aiding photographers in filtering light pollution during astrophotography sessions. The filter is designed to clip over the camera's sensor, and is made with Schott B270 optical glass coated using IBAD technology, including an anti-smudge nanocoating. When used, the Clip Filter ‘significantly reduces’ artificial lighting produced by things like street lights.
The STC Astro-Multispectra Clip Filter is compatible with the Nikon D4, D4s, D800, D800E, D810, D810A, D750, D600, and D610. The item is sold by Cyclops Optics for $1,620 Hong Kong dollars, or about $209 USD. The company offers worldwide shipping.
Editor's note: An earlier version of this article incorrectly stated that the filter was made by Cyclops Optics.