Assertion: microscope's specimen | /r/HasProperty | centered in the field of view
Facets:
value: for one objective
type: PURPOSE
Source sentences:
text: Most manufacturers also make their objective nosepieces parcentric, meaning that when a specimen is centered in the field of view for one objective, it remains centered when the nosepiece is rotated to bring another objective into use.
text: Matched sets of objectives are also designed to be parcentric, so that a specimen centered in the field of view for one objective remains centered when the nosepiece is rotated to bring another objective into use.