Similar to 極軸合わせ

Thirty Meter Telescope

Ap and Bp stars

Telescope

List of largest optical refracting telescopes

Kilodegree Extremely Little Telescope

MAGIC (telescope)

MASCARA

Overwhelmingly Large Telescope

Qatar Exoplanet Survey

SPECULOOS

XO Telescope

Achromatic lens

Anastigmat

Aplanatic lens

Apochromat

Chromatic aberration

Space telescope

Optical telegraph

Vera C. Rubin Observatory

Heinrich Erfle

Extremely Large Telescope

Diffraction-limited system

Cassegrain reflector

KMTNet