The ability of a lens to gather light is referred to as its
A) numerical aperture.
B) magnification.
C) contrast.
D) resolution.
E) refraction.

Name: The ability of a lens to gather light is referred to as its A) numerical aperture. B) magnification. C) contrast. D) resolution. E) refraction.
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Question

Quizplus · Accepted Answer

Numerical aperture is a measure of a lens's ability to gather light and resolve fine specimen detail at a fixed object distance.

The Ability of a Lens to Gather Light Is Referred