Eyepiece for viewing a flat image

An eyepiece for viewing a flat image, which eyepiece has a wide field of view and which eyepiece comprises a cemented doublet of reflecting and refracting optical components, the reflecting and refracting optical components being such that they are each of a different refractive index whereby chroma...

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Bibliographic Details
Main Authors Coates, Nicholas Richard, Huxford, Roger Brian
Format Patent
LanguageEnglish
Published 29.03.2005
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Summary:An eyepiece for viewing a flat image, which eyepiece has a wide field of view and which eyepiece comprises a cemented doublet of reflecting and refracting optical components, the reflecting and refracting optical components being such that they are each of a different refractive index whereby chromatic aberrations and spherical aberrations are reduced.