| 词汇 | example_english_exit-pupil |
| 释义 | exit pupilcollocation in Englishmeanings of exitand pupilThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with pupil or exit. exit noun[C] uk /ˈek.sɪt/ us /ˈek.sɪt/ the door through which you might leave a building or ... See more at exit pupil noun[C] uk /ˈpjuː.pəl/ us /ˈpjuː.pəl/ a person, especially a child at school, who is ... See more at pupil Examples of exit pupilThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. They also have large exit pupils making centering less critical and the narrow field of view works well in those applications. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For comfort, ease of use, and flexibility in applications, larger telescopic sights with larger exit pupils are satisfying choices even if their capability is not fully used by day. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The location of the exitpupil thus determines the eye relief of an eyepiece. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The exitpupil is the image of the aperture stop in the optics that follow it. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The exitpupil can be visualized by focusing the instrument on a bright, nondescript field, and holding a white card up to the eyepiece. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. By contrast, 832 binoculars, often sold with emphasis on their compactness, have an exitpupil of only 4 mm. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The term "exitpupil" is also sometimes used to refer to the diameter of the virtual aperture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since the eye's pupil varies in diameter with viewing conditions, the ideal exitpupil diameter depends on the application. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In daytime use the human pupil is typically dilated about 3 mm, which is about the exitpupil of a 721 binocular. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An exitpupil larger than the observer's pupil wastes some light, but allows for some fumbling in side-to-side movement without vignetting or clipping. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The larger front lenses in the 840 also produce wider beams of light (exitpupil) that leave the eyepieces. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The exitpupil is the cylinder of light coming out of the eyepiece, hence the lower the magnification, the larger the exitpupil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The increase in brightness with reduced magnification has a limit related to something called the exitpupil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is mounted in front of the telescope eyepiece and used to evaluate the diameter of the exitpupil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, a larger exitpupil makes it easier to put the eye where it can receive the light: anywhere in the large exitpupil cone of light will do. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The closer the exitpupil to the focal plane, the higher the angles of incidence at the extreme edges of the field. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Narrow exitpupil binoculars may also be fatiguing because the instrument must be held exactly in place in front of the eyes to provide a useful image. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For maximum effective light-gathering and brightest image, the exitpupil should equal the diameter of the fully dilated iris of the human eye about 7 mm, reducing with age. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An exitpupil much match or be smaller in diameter than our pupil to receive the full amount of projected light, a larger exit pupil results in the wasted light. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of exit Go to the definition of pupil See other collocations with pupil See other collocations with exit |
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