What instrumentation feature is commonly used in Direct Imaging to make detection feasible despite overwhelming stellar light?

Answer

Coronagraphs to physically block starlight

Direct Imaging is extremely difficult because the star vastly outshines the planet; success is often only feasible by using instruments like coronagraphs specifically designed to block the light from the host star.

What instrumentation feature is commonly used in Direct Imaging to make detection feasible despite overwhelming stellar light?
astronomyorbitstarexoplanetdetection