Assertion: microscope's objective | /r/HasProperty | rotated
Facets:
Source sentences:
text: High-end models feature illumination blanking when objectives are rotated to protect the operator's eyes from bright light flashes.
text: They can have a fixed single objective, a rotating multiple lens turret or a zoom.
text: The objective was rotated so that I was again in the light path.
text: They can have a fixed single objective, a rotating multiple lens turret or a zoom.