Assertion: collimator | /r/CapableOf | align secondary mirror
Facets:
value: under the focuser
type: LOCATION
value: accurately
type: MANNER
Source sentences:
text: The 2-in-1 collimator accurately aligns optics in Newtonian telescopes (LightPipe) as well as accurately aligning the secondary mirror under the focuser (SightTube).