Assertion: newtonian telescope's mirror | /r/CapableOf | reflect in the secondary
Facets:
value: well
type: DEGREE
Source sentences:
text: With your eye close to the focuser, you can see the primary mirror reflected in the secondary, and the secondary and its spider in turn reflected in the primary.
text: To center the primary mirror (step 4), take away the paper strip/cardboard (or take the lid off the mirror box) and push in the tube far enough to see the primary (main) mirror reflected well within the secondary.
text: Depending on its size, it lets some of the focal plane be fully illuminated, that is any point within the area of full illumination sees the whole primary mirror reflected in the secondary.
text: The primary (main) mirror reflected in the secondary