Which term describes the instruments used internally within a telescope to precisely shape the light path and block out starlight for direct imaging?

Answer

Coronagraphs

Coronagraphs are specialized instruments inside telescopes designed to perform the function of blocking the intense light from the host star, enabling the faint light from the planet to be detected.

Which term describes the instruments used internally within a telescope to precisely shape the light path and block out starlight for direct imaging?
astronomystarsexoplanetsdetectiondiscovery methods