when searching the slide under low power, is it better to use the fine or coarse adjustment?why?

Answer 1

All the answers are either wrong or almost correct. When you are looking for a specimen under a microscope always locate it under low power first. Then move your objective to the next higher power and focus it with the fine adjustment. When you have a clear picture move the objective to the next highest power and do the same. Never under any circumstances use the coarse adj under high power. You may crack the slide if you move it too much. Remember as you go up in magnification you are narrowing the field of vision. So start low and work your way up to high.

Answer 2

Under low power, you always use the coarse adjustment. If you use the fine adjustment, you might not be able to find what you are looking for. Once you have found what you want to zoom in on (ie. magnify), then switch to a higher power objective lens and then use only the fine adjustment.

Answer 3

coarse adjustment is faster. if u use fine adjustment only, it will take forever to focus. on low power, use coarse adjustment first, then fine adjustment. never use coarse adjustment under high power or oil immersion. you will break your slide and damage your lens.

Answer 4

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Answer 5

coarse because the specimen is still fairly small looking, therefore using the coarse adjustment knob will help to focus better.

Answer 6

id say coarse so u can find what ur looking for and then mayb fine if u need to adjust it slighty to ur eyes

Answer 7

coarse adjustment first then when you find what you're looking for then adjust the fine knob