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7 terms
Photonics Dictionary: R
Clear All Filters x
microscope x
R x
reflecting microscope
A microscope that uses a reflecting objective; often used with ultraviolet or infrared radiation.
radiuscope
A microscope to which a beamsplitter and illuminated reticle have been added that is used to measure contact lenses.
rail
->
optical bench
A support for optical parts comprising a solid bed that permits precise longitudinal movement of one component relative to the others, and a number of sliders equipped with holders for lenses, lamps,...
reflecting objective
An image-forming system that uses mirrors rather than lenses. Such objectives are frequently used for astronomical telescopes and in ultraviolet microscopes.
retardation
The phase change of one of the two split beams of an interference microscope.
reticle
A reticle, also known as a reticule or graticule, is a pattern or set of markings placed in the focal plane of an optical instrument, such as a microscope, telescope, riflescope, or camera, to...
retinoscope
->
eye test apparatus
Instruments used by ophthalmologists and optometrists to study the eye. There are, for instance, the ophthalmoscope to observe and photograph the retina; the retinoscope and optometer to determine...
Photonics Dictionary
R
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