Question about Science & Laboratory
Operating/set-up manual for 40x 1000x binocular compound biological microscope
A User Manual for the Variscope Binocular 40x to 1000x microscopes is available from Amazon online:
Posted on May 18, 2019
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Posted on Jan 02, 2017
I think your problem lies in the way the stage is limited upwards. On top of the stage, right behind it where it slides against the arm, there should be a little screw. This screw limits the movement of the stage to a certain point upwards. If the limit exceeds the adjustment gear and its opposing track, then the stage just goes up one notch and then it clunks down. If you screw it down the stage is limited further down, if you screw it up it's limited a bit higher. The point of this screw is to prevent objective and slide damage. Try adjusting this little screw a bit further down and see if it still 'clunks' when you turn it up. After that we may work on properly adjusting it. If not, please post again with whatever detail you can provide to aid you with this problem further.
Posted on Jun 09, 2008
SOURCE: what is the other types
Posted on Jul 04, 2011
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