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
Question about National Optical Science & Laboratory
After 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 ...
Question about Fisher Science & Laboratory
...reinstall it without damage? Thanks Sam Yes you can. Probably the best way is to remove the whole focusing assembly, otherwise once you remove the stage, you will have the sub-stage (where the ...
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
stage slides down after focusing after 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 ...
Question about Zhumell Science & Laboratory
why should the coarse 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 ...
Question about Swift Science & Laboratory
swift microscope no 634008 having problem staying in focus when switching magnification First, a scope of this grade will not be completely in focus as you move from one magnification to the next. But
Question about Premiere Microscopes Science & Laboratory
...in a smooth circular motion it rotates rather ecliptically. Could this be causing our out of focus issue? The "organisms" on the slides come into focus when we lift slightly up on this know. ...
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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