Assertion: eyepiece's lens | /r/Synonym | the field lens
Facets:
Source sentences:
text: The lenses are called the eye lens and the field lens.
text: The first lens is termed the field lens because it is closer to the plane where the intermediate image is formed in the microscope.
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.