Explain the Precautions for Use of Light Microscope?
1. Clean the lens system properly.
2. Use xylol only when necessary.
3. Never lower the body tube while looking through the ocular lens.
4. Use only a drop of immersion oil for oil immersion lens.
5. Focus the slide first at low-power lens using coarse adjustment knob. Then change to other lens in position and focusing should be done only with fine adjustment knob.
6. High power objective lens should not touch the oil drop on slide.