| 释义 | 
		Definition of field lens in US English: field lensnoun In a multiple lens optical system, the lens farthest from the eye.  Example sentencesExamples -  A converging field lens will shorten the eye-relief (the distance from the eyelens to the exit pupil) of a telescope.
 -  But according to Honoratio Fabri in his Synopsis Optica (Review of Optics) of 1667, the first microscope with a field lens was built to Monconys's specification in Augsburg in 1660, so anticipating Hooke by several years.
 -  It also features mechanical interference in the three-element field lens.
 -  But, unlike the standard geologist's field lens, this one has a camera.
 
    Definition of field lens in US English: field lensnoun In a multiple lens optical system, the lens farthest from the eye.  Example sentencesExamples -  But, unlike the standard geologist's field lens, this one has a camera.
 -  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 according to Honoratio Fabri in his Synopsis Optica (Review of Optics) of 1667, the first microscope with a field lens was built to Monconys's specification in Augsburg in 1660, so anticipating Hooke by several years.
 
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