12-23-2009, 05:56 PM
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Junior Member
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Join Date: Dec 2009
Posts: 4
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Quote:
Originally Posted by avtanski
The point is to get the light to illuminate the specimen but miss a direct hit of the objective. With the darkfield stop the light comes to the specimen at a sharp angle, away from the objective. Check this link and can scroll down to "How does darkfield illumination work":
One-Penny Darkfield Illumination Filter DIY Science and Electronics Projects
There are a couple of diagrams of the light path with and without a darkfield stop.
- Alex
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Thanks a lot avtanski
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