Optical: systems and elements – Lens – With variable magnification
Patent
1996-05-07
1997-10-07
Nguyen, Thong
Optical: systems and elements
Lens
With variable magnification
359368, 359380, 359694, G02B 2100, G02B 1514
Patent
active
056754426
ABSTRACT:
A microscope lens guide system is disclosed wherein a plurality of lens carriers are magnetically biased to guide rods to ensure rectilinear motion of lenses held by the carriers along an optical axis of the microscope. In a first embodiment, each lens carrier includes a first portion having a passage for slidably receiving a guide rod and a second portion having a magnet for biasing the second portion for engagement with another guide rod formed of magnetic material. In a second embodiment, additional magnets are provided to bias the passage for engagement with the guide rod received by the passage.
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Leica Inc.
Nguyen Thong
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