Why are images viewed upside down when using the Low Power Objective? (URGENT)?

Question

We were asked to view a cut-out of the letter 'e' underneath a microscope. Why is it that it is inverted when viewed under the LPO?

Answer 1

Convex lenses and parabolic mirrors have the unfortunate effect of inverting images for observers beyond their focal length. To see why, click the link below for a fantastic photo, courtesy of Wikipedia.