Motic DMBA 300 Binocular Microscope "tightening" Questions

the focus knobs drift Just inside the coarse focus knob you will see a "chrome" ring with holes it it. That ring needs to be tightened just a bit. It will make the coarse focus knob stiffer so tighten

Loose Lens Holder My 7th graders spin the lenses on the microscopes when I'm not watching. The result is a loose lens holder (that round thing that holds the three lenses) which makes the microscope ...

The stage slides down on its own and the view gets out of focus. Just inside the coarse focus knob you will see a "chrome" ring with holes it it. That ring needs to be tightened just a bit. It will ...

How do I fix a mechanical stage from ''drifting'' downwards? Won't stay in position.I move the stage up into position under the objectives but as soon as I let go of the knob the stage drifts right ...

...does the mechanical stage for my microscope keep falling to the bottom-most position? I've tried tightening the coarse tension knob to increase the torque but the stage will continue to fall to

uneven brightness in the observation field Most likely your objectives are misalingned. Tighten the objective wheel, that usually solves it.

once the stage is adjusted it comes down slowly Tighten the screws of the coarse adjustment. You must disasseble the coarse adjustment knob (i.e. remove the plastic caps) in order to do this.

tip to adjust the moving stage the stage starts moving down when once it is adjusted Tighten the screws of the coarse adjustment enough so it starts generating enough friction to hold the stage again.

how do i remove the head from M3500 swift monocular scope Head is loose and wiggling. Need to remove and tighten You should find a small hex bolt or screw thread on the right hand side at the bottom ...

focus while you are watching it. If so, you have what is called "stage drift". This is corrected by tightening the tension on the coarse focus knob. The tension adjustment is on the coase focus shaft.