Assertion: reflecting telescope's mirror | /r/CapableOf | satisfy requirement
Facets:
value: from high-contrast planetary
type: LOCATION
Source sentences:
text: On the other hand, a 200mm ƒ /8 mirror in a regular Newtonian arrangement can work with central obstruction in the 0.15 to 0.25 of the aperture diameter range, satisfying requirements from high-contrast planetary to a wider illuminated field deep-sky instrument.