JWST Science Instruments and Observing Modes

This page provides links to find out more about JWST's science instruments.

JWST is equipped with four science instruments sensitive over a wide wavelength range, from the optical to the mid-infrared (0.6–28 μm). A top-level summary of the instruments' technical capabilities is provided in the JWST Pocket Guide. Detailed technical information can be accessed from the links below, or from the left sidebar.


Next: Proposal Types, Sizes, and Science Areas




Notable updates


Originally published