Optical relay for a microscope and a back aperture viewer theref

Details Optical relay for a microscope and a back aperture viewer theref Optical relay for a microscope and a back aperture viewer theref

1976-02-09

1977-08-23

Henry, Jon W.

350 12, 350 14, G02B 2100

Patent

active

040436330

ABSTRACT:
A relay lens system for use with a microscope to provide a station having a location optically equivalent to the back focal plane of the microscope objective is improved by using two identical lens components having different front and back focal lengths and arranged on the optical axis with opposite axial orientations. A back aperture viewer may be selectively positioned on the optical axis for viewing an optical element at said station.

REFERENCES:
patent: 2767613 (1956-10-01), Conradi et al.
patent: 2952180 (1960-09-01), Estes
patent: 3355234 (1967-11-01), Muller
patent: 3628848 (1971-12-01), Nomarski

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