What should u do if the high power objective lens touches or breaks the cover slip?

What should u do if the high power objective lens touches or breaks the cover slip?

Firstly, always make it a point that the high power objective lens should never touch or break the coverslip but if the high power objective lens touches or breaks the coverslip, then don’t use the high power magnification and during usage of high power magnification, only the fine knob adjustment should be used.

Is it OK if the objective lens touches the slide?

9. The proper way to use a microscope is to look through the eyepiece with both eyes open to help avoid eye strain. Remember, everything is upside down and backwards.

What precautions must be taken when using the high power objective lens?

Why must you be careful when focusing with the high power lens? What precautions should you take. You don’t want to damage the slide. So you should always look on the side of the microscope so you don’t break it and use fin adjustment knob only.

Why should microscope lens not be touched?

Never touch the lenses with your fingers. Your body produces an oil that smudges the glass. This oil can even etch the glass if left on too long. Use only LENS PAPER to clean the glass.

When using the high power objective which focus knob should you use?

fine adjustment knob
Use ONLY the fine adjustment knob to focus on high power. NEVER USE THE COARSE FOCUS KNOB ON HIGH POWER! The high power lens should be very close to your slide when in proper focus. If you turn the coarse adjustment knob while on high power, the objective could easily break your slide.

What is an important thing to remember as you turn the high power objective into place?

An important thing to remember as you turn the high power objective into place , it is retractable, when you hit a slide, the end of the lens will push in (spring loaded) thereby protecting the lend and the lens.

When do you use high power objective only?

Use ONLY the fine focus control when focusing the higher power objectives (20X, 40X, 100X) on a slide. The course focus control is too course for focusing with these objectives. Objectives are fragile and must not be rammed into slides. 5.

When using the high power objective lens you need to be careful when adjusting the course adjustment knob because if you’re not careful it can?

The high power lens should be very close to your slide when in proper focus. If you turn the coarse adjustment knob while on high power, the objective could easily break your slide. NOTE: If you lose the image on high power, go back to low power and find/focus it before going up to high power again. 14.

Why must you be careful when focusing with the high power objective lens what precautions must you take?

Objective Lenses – The objective lens gathers light from the specimen, magnifies the image of the specimen, and projects the magnified image into the body tube. You must be very careful when using the high power lenses so you do not jam them into the slide.

When using the high power objective you should only adjust the?

4. Use ONLY the fine focus control when focusing the higher power objectives (20X, 40X, 100X) on a slide. The course focus control is too course for focusing with these objectives.