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6 terms
Photonics Dictionary: E
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eyepiece x
E x
eyepiece
Also known as ocular. The lens system used between the final real image in a visual optical system and eye. It acts as an image magnifier. Many types of eyepieces are known; e.g., the Huygens used in...
eyepiece micrometer
->
measuring eyepiece
Also known as an eyepiece micrometer. A microscope eyepiece that has a finely divided scale ruled or photographed on a section of transparent glass, and located in the focal plane. The dimensions of...
erecting eyepiece
An eyepiece combined with an erecting prism or lens system.
Erfle eyepiece
A telescopic eyepiece comprising five or six simple lenses in the form of three doublets or two doublets and a singlet.
eikonometer
A scale attached to a microscope eyepiece that is seen superimposed on the image and that is used to measure the dimensions of the viewed object.
eye lens
The lens of an eyepiece nearest the observer's eye.
Photonics Dictionary
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