Assertion: microscope's lens | /r/CapableOf | collect light
Facets:
value: in the ideal case
type: DEGREE
value: at a short focal length
type: OTHER
value: from the specimen
type: OTHER
Source sentences:
text: The objective lens or mirror collects light and brings it to focus creating an image.
text: The performance of a light microscope depends on the quality and correct use of the condensor lens system to focus light on the specimen and the objective lens to capture the light from the specimen and form an image.
text: The objective lens is a small, round piece of glass that collects the light from a small area of the specimen at a short focal length and directs the light into the tube.
text: In the ideal case each objective lens can collect light from a solid angle of Ω = 2 π {\displaystyle \Omega =2\pi } .