Pupil

The term pupil can also mean student. See also: exit pupil

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Student: Etymologically derived through Middle English from the Latin second-type conjugation verb "stŭdērĕ", which means "to direct one's zeal at"; hence a student is one who directs zeal at a subject. Also known as a disciple in the sense of a religious area of study,...

Exit pupil: The exit pupil is a concept in optics, and is defined as the minimum diameter of the light beam leaving an eyepiece through which all of the light from the eyepiece passes. For a telescope, it can be calculated by dividing the focal length of the eyepiece by the focal ratio (f number) of the telesc...

Pupil related Images and Photos (experimental)

Apt Pupil

Iridessa: Star Pupil

Pupil and Her Teacher Try Their Hands on a Sonata for Twenty Fingers

Relationship Between a Teacher and Pupil is as Close as Family