RE: Help with DARKFIELD MICROSCOPY
You need a ring annulus - it blocs light from the center and only allows it
around the edges - it has semi-circular slits around the edge. It is not a
lens, just a light blocker.
From: Charles Read [mailto:firstname.lastname@example.org]
Sent: Monday, January 27, 2003 3:27 PM
Subject: Help with DARKFIELD MICROSCOPY
I own a LW Scientiic Observer IV (microscope that is) with brightfield
lighting. There is a 'tray' for lack of a better word, where you can put
colored lenses to color the light. On a microscope at school there is a
similar 'tray' that has a few different color lenses and a setting that puts
the scope into darkfield, my question is: Is darkfield lighting
accomplished with a lens? If so, where can I get a lens that would fit my
scope? Thanks in advance!!!!!!
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