Sagot :
Answer:
2. Lens paper is a soft, lint-free tissue paper meant to be used for just such applications. To properly clean the lens with lens paper, wipe in one direction. Do not use a circular motion. Definitely don't clean the lenses with paper towels, Kleenex, fingers, or anything along those lines
4. 10X ocular x 10X low power objective = 100X).
Explanation:
Sorry that's all i know but if im wrong just correct me :D