Sagot :
Answer:
Now raise the magnification to high power. Adjust the focus with the smaller, fine focusing knob only. Never use the coarse focusing knob when you are using high power, because you can easily crunch the objective through the slide
Answer:
Now raise the magnification to high power. Adjust the focus with the smaller, fine focusing knob only. Never use the coarse focusing knob when you are using high power, because you can easily crunch the objective through the slide