When you are focusing an object under the microscope, explain why some parts are in focus and some part are out of focus?

Answer 1

You cannot focus objects at different distances from the lens at the same time.
1/d(object) + 1/d(image) = 1/f
= constant)

Answer 2

It is because the light can damage the lights eyes and cause retectrum synthea. So they make the microscope have different settings.
-i work at acadamy of science and biological tools

Answer 3

It is because the beam of light 🕯️🚨 extract every comes towards the 🕯️🚨 light but when we 🤔🤔 think that you are bad I am your DAD.