发明名称 Ophthalmic photographic apparatus
摘要 In an opthalmic photographing apparatus, capable of photographing the fundus of an eye to be examined at a variable magnification, being provided with a ring slit in an illuminating optical path at a position substantially conjugate with the front-eye-part and being further provided with a baffle at a position substantially conjugate with the crystalline lens, the slit width of a ring slit image projected onto the eye to be examined and further the size of a baffle image are variable with a magnification change.
申请公布号 US4679919(A) 申请公布日期 1987.07.14
申请号 US19860884305 申请日期 1986.07.15
申请人 CANON KABUSHIKI KAISHA 发明人 ITOH, YUJI;TAKAHASHI, JUNICHI
分类号 A61B3/12;A61B3/14;(IPC1-7):A61B3/14;G03B29/00 主分类号 A61B3/12
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