Assertion: newtonian telescope's mirror | /r/MadeOf | stable b270 glass
Facets:
value: thermally
type: MANNER
Source sentences:
text: Since the primary mirror is made of thermally stable B270 glass, it acclimates to ambient temperature more quickly than standard reflector telescopes.
text: Made of thermally stable B270 glass, the primary mirror adjusts to ambient temperature quicker when compared to standard reflectors.
text: Since the primary mirror is made of thermally stable B270 glass, it acclimates to ambient temperature more quickly than standard reflector telescopes.