One of the mysteries of the English language finally explained.
1A piece of an optical device such as a microscope, camera, or pair of binoculars which is contoured to provide a comfortable rest against the user's eye.
- ‘High-eyepoint eyepieces with lockable push-pull eyecups ensure a full field of view, and the unit is guaranteed to be water- and fog-proof.’
- ‘A roof prism design, it sports central focusing, click stops on the eyepiece diopter, and helicoid eyecups.’
- ‘This is a long eye relief binocular, and by rolling down the eyecups, eyeglass wearers can truly obtain a full field of view.’
- ‘These feature a bayonet mount, for easy and rapid changing, as well as push/pull eyecups.’
- ‘The twist and pull eyecups can also usually be set to ‘in-between’ locations to fine-tune the eye's position to ensure an entire field of view.’
- ‘Eyeglass wearers will enjoy the extra-long eye relief of these optics with their rubber eyecups.’
- ‘Soft rubber eyecups fold down for use with glasses.’
- ‘The monocular produced a very bright, clear image, however, and we assume the binocular model of the same power, which does have eyecups, would too.’
- ‘The eyecup is even vented so it doesn't suck out your eyeball.’
- ‘One thing noticeable right away was the available eye relief which, coupled with twist up eyecups, make them nicely useable with glasses.’
- ‘A roof prism design, it features central focusing, click stop adjustable eyepiece diopter, and nicely contoured push/pull eyecups.’
- ‘Adjustable eyecups work just as well for folks with glasses.’
- ‘They feature fully multi-coated lenses and L-coated prisms, twist-up eyecups and are completely waterproof and have shock-absorbing rubber armor.’
- ‘These are equipped with rubber eyecups which may be folded down for use with corrective lenses.’
- ‘It also has fold-down eyecups for those who wear eyeglasses.’
2A small container used for applying cleansing solutions to the eye.
- ‘The resultant tea is used to sprinkle over the eyes or used in an eyewash in an eyecup that can be readily purchased at most drug stores.’
- ‘Do not use an eyecup, eye drops, or ointment unless the poison center instructs you to do so.’
- ‘Pour the tea into an eyecup (available at drugstores) and bathe each eye for at least five seconds, and up to one minute.’
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