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Levenhuk 5S NG Student Monocular Microscope with Glass Optics, Fine and Coarse Focus, and Diaphragm Disk with 5 Apertures
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$59.95
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$59.95
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$59.95
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Product review & video
welcome back tell us microscopes my name is Paul and today we're going to talk about focus tension do you ever have that problem that when you let go of the focus knob your image just suddenly starts to fall out of focus you might notice the stage going down with a knob starting to turn on their own this can be fixed really easily so today we're gonna go through a few different microscopes and different styles of focus tension so that you can make this simple adjustment yourself this is a simple student microscope very common to most schools or hobbyists now this one might notice that the focus falls down on its own or it's too loose to stay where it needs to stay you'll especially notice it on the higher magnifications so what we're gonna do is we're gonna adjust this little knob right here and just adjust it and you'll notice it starts to get a little bit tighter until you get to the
