Definition of field lens in English:

field lens

Syllabification: field lens

noun

  • In a multiple lens optical system, the lens farthest from the eye.
    More example sentences
    • A converging field lens will shorten the eye-relief (the distance from the eyelens to the exit pupil) of a telescope.
    • It also features mechanical interference in the three-element field lens.
    • But, unlike the standard geologist's field lens, this one has a camera.

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