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About: Pellicle mirror     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatCamerasyago:WikicatMirrorsyago:Artifact100021939yago:Camera102942699yago:Device103183080yago:Equipment103294048yago:Instrumentality103575240yago:Mirror103773035yago:Object100002684yago:PhotographicEquipment103926148yago:PhysicalEntity100001930yago:Reflector104069276yago:Whole100003553 New Facet based on Instances of this Class

A pellicle mirror is an ultra-thin, ultra-lightweight semi-transparent mirror employed in the light path of an optical instrument, splitting the light beam into two separate beams, both of reduced light intensity. Splitting the beam allows its use for multiple purposes simultaneously. The thinness of the mirror practically eliminates beam or image doubling due to a non-coincident weak second reflection from the nominally non-reflecting surface, a problem with mirror-type beam splitters. The name pellicle is a diminutive of pellis, a skin or film.