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The lens that you should use to first look at a slide on a microscope is a low power lens then move on to a higher power for more clarity.
First focus the microscope on the lowest objective using first the coarse djustment knob and then the fine adjustment knob. Once you have it in focus, move on and do the same for the next highest objective. Continue this process until you reach the highest objective and focus it in the same fashion.
You should first use the lowest power setting of a microscope to find an object and then center it within the viewing area. Then, when you switch to the next higher magnification, your target should still be close to the center and easier to find and focus on.
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The first person to make microscope was Zacharias Jansen, he is a male and was Dutch. He lived in Middelburg. Around Holland in 1595, he got credit for his invention and his helper's, Shans Lippershey, and Hans Jenssen.
the coarse adjustment knob
the coarse adjustment
the coarse adjustment
coarse adjustment
This is the coarse adjustment knob. This should be used before the fine adjustment knob (the smaller knob) - which is for fine focusing.
it is the COURSE adjustment knob
It is the first knob you should turn to bring the object into rough focus, before tinkering with the finer tuning knobs.
First of all, one should never call it high power, it is morecommonly called the "high objective", yet that is not what this question is asking. To answer the question: You use the fine adjustment knob. This knob should be located near the coarse adjustment knob, on the opposite side of the microscope (at the same height as the coarse adjustment knob), or even as a separate knob protruding from the coarse adjustment knob. The fine adjustment knob is smaller in size. You should never, ever use the coarse adjustment knob under the high objective, you could scratch the microscope slide, cover slip, high objective lens, or in a worst case scenario break the high objective lens.
eye piece, lens and fine adjustment, focus adjustment
First of all which microscope do you want to know the parts to? A scanning electron microscope? Transition electron microscope? Bright field? Dark field? Phase contrast? Confocal? These parts of found on a bright field light microscope: fine adjustment knob coarse adjustment knob slit light reflected mirror diaphragm objective lens handle stage clips nosepiece revolving nose piece Base arm eyepiece stage bodytube stage
The lens that you should use to first look at a slide on a microscope is a low power lens then move on to a higher power for more clarity.
The lens that you should use to first look at a slide on a microscope is a low power lens then move on to a higher power for more clarity.