focusing the microscope the stage starts to slide down slowly. I don't know if this is caused by the adjustment knob or gears in the arm handle. thank you There is a tension adjustment for this. It is
Question about Premiere Microscopes Science & Laboratory
The small knob that moves the slideto the left or right on the platform (the one furthest from the observer) is slightly loose, and instead of rotating in a smooth circular motion it rotates rather ...
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
Question about Lomo Science & Laboratory
...knob is turned before the operator realizes the pinion gear limit has been reached or by someone who dosen't understand correct opperation of the focusing assembly.. So long as the clutches are ...
Question about Zhumell Science & Laboratory
...focusing knob not be used when focusing with the higher-powered objective lenses There are two reasons. One reason is that when on high power you are working so close to the glass slide that it is ...
Question about National Optical Science & Laboratory
...focusing it drifts out of focus. The knobs do not stay in the same place There is a tension adjustment just inside the coarse focus knob. (same side as the switch) It looks like a chrome ring with 2 ...
Microscopes When focused on a slide the stage drops to become out of focus. I have taken the focus knobs apart and played with the tension adjustment but nothing works. You can see the fine focus knob
...slide in focus and I let go of the adjustment knob the stage level begins to slowly decend thus unfocusing the image. As this is happening I can see the course adjustment knob slowly spin. The ends ...
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 ...
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