Assertion: microscope's lens | /r/Synonym | the field lens
Facets:
Source sentences:
text: The second lens in the light path is called the field lens, which is responsible for bringing the image of the filament into focus at the plane of the substage condenser aperture diaphragm.
text: The lens closest to the eye is called the eye lens and the other lens (closest to the objective) is called the field lens.