Microscope and nearsighted

[yjj8817]

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Why is it that you can use a virtual image when correcting nearsighted but must use a real image when using a microscope? I learned that the objective in microscope must produce a real image but for correcting nearsightedness, you use divergent lens. Thanks!

 

[yjj8817]

Or can virtual image be used in microscope?

 

[yjj8817]

Bump anyone? Thanks!

 

[yjj8817]

Ok so I'm confused about these two questions. Why is it that objective of a microscope must create a real image whereas the other problem says that virtual image can be used for a compound lens system? I thought microscope was a compound lens system? Thanks!