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Schematic view of a rigid borescope Borescope in use, showing typical view through the device. A borescope (occasionally called a boroscope, though this spelling is nonstandard) is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach cavities, consisting of a rigid or flexible tube with an eyepiece or display on one end, an objective lens or camera on the ...
Videoscope (testing equipment), an alternative name for the video borescope. Videoscope (film distributor) , Australian distributor of Dimboola and other films. The Phantom of the Movies' Videoscope , a US movie magazine released between 1993 and 2020.
A lens system that transmits the image from the objective lens to the observer, usually a relay lens system in the case of a rigid endoscope or a bundle of optical fibers in the case of a fiberoptic endoscope. An eyepiece which transmits the image to the screen in order to capture it. However, modern videoscopes require no eyepiece.
Articulation system – The ability of the user to control the movement of the bending section of the fiberscope that is directly attached to the distal lens. Fiberscope body – The control section that is designed to help aide one hand operation. Insertion tube – Most of the length of the fiberscope, made to be durable and flexible.
Optically coated mirrors and lenses. An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics.
Lens or camera fungus is the popular name for the infestation of optical devices such as lenses, low pass filter (OLPF) or the camera sensor, by fungal threads ().By germination of fungal spores and further spore formation, the infestation can spread beyond the initial fungal network.
As with objective lenses, a condenser lens with a maximum numerical aperture of greater than 0.95 is designed to be used under oil immersion (or, more rarely, under water immersion), with a layer of immersion oil placed in contact with both the slide/coverslip and the lens of the condenser. An oil immersion condenser may typically have NA of up ...
In most cases, two thin lenses are combined, one of which has just so strong a positive aberration (under-correction, vide supra) as the other a negative; the first must be a positive lens and the second a negative lens; the powers, however: may differ, so that the desired effect of the lens is maintained. It is generally an advantage to secure ...
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