Nikon U10 and U20...

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Post by abednego1995 »

Reviving an old thread, but thought to add some information for someone who might be seeking it.

The U series objectives are meant to be used with a universal stage on a polarizing microscope as already mentioned in the previous posts. So the magnification and NA engraved on the barrel only apply when used with the glass hemispheres included with the stage.

The layout diagram is from the patent file for the U5 objective. L1 indicates the hemisphere.
The table is data for the rest of the U series. The numbers in the parentheses indicate data for use without the hemispheres.



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