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- Porro–Abbe_prism abstract "A Porro–Abbe prism (sometimes called a Abbe–Porro prism), named for Ignazio Porro and Ernst Abbe, is a type of reflection prism used in some optical instruments to alter the orientation of an image. It is a variant of the more common double Porro prism configuration.It is made from a piece of glass shaped like four right-angled reflecting prisms joined face-to-face in a twisted fashion. Light enters one flat face, is internally reflected four times from the sloping faces of the prism, and exits the second flat face offset from, but in the same direction as the entrance beam. The image is rotated 180° in the process, and for this reason the prism is used as an image erection system in some binoculars, and camera viewfinders.The prism is not dispersive since light enters and exits the prism only at normal incidence. Since the light is reflected an even number of times, the image's handedness is not changed.For ease of manufacture, the prism is often made as a pair of double-right-angled prisms and the two halves cemented together. A single half of the assembly is sometimes also called a Porro–Abbe prism.es:Prisma Porro".
- Porro–Abbe_prism thumbnail Porro-abbe-prism.png?width=300.
- Porro–Abbe_prism wikiPageID "2655603".
- Porro–Abbe_prism wikiPageLength "1529".
- Porro–Abbe_prism wikiPageOutDegree "15".
- Porro–Abbe_prism wikiPageRevisionID "634306529".
- Porro–Abbe_prism wikiPageWikiLink Abbe_prism.
- Porro–Abbe_prism wikiPageWikiLink Abbe–Koenig_prism.
- Porro–Abbe_prism wikiPageWikiLink Binoculars.
- Porro–Abbe_prism wikiPageWikiLink Camera.
- Porro–Abbe_prism wikiPageWikiLink Category:Prisms.
- Porro–Abbe_prism wikiPageWikiLink Dispersion_(optics).
- Porro–Abbe_prism wikiPageWikiLink Ernst_Abbe.
- Porro–Abbe_prism wikiPageWikiLink Handedness.
- Porro–Abbe_prism wikiPageWikiLink Ignazio_Porro.
- Porro–Abbe_prism wikiPageWikiLink Optical_instrument.
- Porro–Abbe_prism wikiPageWikiLink Porro_prism.
- Porro–Abbe_prism wikiPageWikiLink Prism.
- Porro–Abbe_prism wikiPageWikiLink Total_internal_reflection.
- Porro–Abbe_prism wikiPageWikiLink Viewfinder.
- Porro–Abbe_prism wikiPageWikiLink File:Porro-abbe-prism.png.
- Porro–Abbe_prism wikiPageWikiLinkText "Porro–Abbe prism".
- Porro–Abbe_prism wikiPageWikiLinkText "Porro–Abbe".
- Porro–Abbe_prism wikiPageUsesTemplate Template:Distinguish2.
- Porro–Abbe_prism wikiPageUsesTemplate Template:Optics-stub.
- Porro–Abbe_prism wikiPageUsesTemplate Template:Unreferenced.
- Porro–Abbe_prism subject Category:Prisms.
- Porro–Abbe_prism hypernym Prism.
- Porro–Abbe_prism type Redirect.
- Porro–Abbe_prism type Thing.
- Porro–Abbe_prism comment "A Porro–Abbe prism (sometimes called a Abbe–Porro prism), named for Ignazio Porro and Ernst Abbe, is a type of reflection prism used in some optical instruments to alter the orientation of an image. It is a variant of the more common double Porro prism configuration.It is made from a piece of glass shaped like four right-angled reflecting prisms joined face-to-face in a twisted fashion.".
- Porro–Abbe_prism label "Porro–Abbe prism".
- Porro–Abbe_prism differentFrom Abbe_prism.
- Porro–Abbe_prism differentFrom Abbe–Koenig_prism.
- Porro–Abbe_prism sameAs Q3403926.
- Porro–Abbe_prism sameAs Prisme_dAbbe-Porro.
- Porro–Abbe_prism sameAs m.07vrm_.
- Porro–Abbe_prism sameAs Призма_Аббе-Порро.
- Porro–Abbe_prism sameAs Porro-Abbejeva_prizma.
- Porro–Abbe_prism sameAs Призма_Аббе-Порро.
- Porro–Abbe_prism sameAs Q3403926.
- Porro–Abbe_prism sameAs 普羅-阿貝稜鏡.
- Porro–Abbe_prism wasDerivedFrom Porro–Abbe_prism?oldid=634306529.
- Porro–Abbe_prism depiction Porro-abbe-prism.png.
- Porro–Abbe_prism isPrimaryTopicOf Porro–Abbe_prism.