Assertion: newtonian telescope's mirror | /r/CapableOf | come on adjustment
Facets:
value: far forward
type: MANNER
Source sentences:
text: Take care when using the adjuster screws that you do not allow the mirror to come too far forward on adjustment as the screws may disengage and also take care that the collimation screws and lock screws aren’t tightened down to a point which may cause the primary mirror to become ‘pinched’ or distorted.