Roman Coronagraph Instrument Color Filter Assembly

This image shows a series of color filters on the Color Filter Assembly for the Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope. Each filter blocks all but a specific color, or wavelength, of light. Many of the filters appear dark in this photo because they block all visible light – the range of wavelengths that are visible to the human eye – but are transparent to infrared light, which encompasses a range of wavelengths slightly longer than visible light.