The inverted image on your microscope is caused by only having one lens on magnification, the convex magnificaton with the concave eyepeice causes the light to be fliped, accually, that's the way...
Because as the image moves up the lens and into the head of the microscope, it hits a mirror that reflects the image back to you through the oculars, therefore you are looking at an inverted image.
Special type of compound microscope, developed c. 1850, in which the specimen is illuminated from above and observed from below. A prism placed under the specimen reflects the light rays into...