The Why and How To Parfocal a Microscope
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YouTubeHMC Electronics
The Why and How To Parfocal a Microscope
Wondering why you have to re-focus your microscope each time you adjust the lens or positioning...? Watch this video on how to parfocal your microscope to save yourself a good deal of time and headache.
10.3K viewsJun 27, 2014
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7. Today most good laboratory microscopes are parfocal; that is, the slide should be in focus (or nearly so) at the higher magnifications once you have properly focused. Without touching the focusing knobs, increase the magnification by rotating the next higher magnification lens into position over the stage. Make sure it clicks into position. Using the fine adjustment only, sharpen the focus. If you are unable to focus with a new lens, your microscope is not parfocal. Do not try to force the le
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