What is a compound microscope - Ray Optics - eSaral

Compound Microscope is consists of two convergent lenses of short focal lengths. If you don't know what is a compound microscope then this article is for you. Compound Microscope Construction: It consists of two convergent lenses of short focal lengths and apertures arranged co-axially lens (of focal length $\mathrm{f}_{\mathrm{O}}$) facing the object is called objective or field lens while the lens (of focal length $\mathrm{f}_{\mathrm{e}}$) facing the eye, eye-piece or ocular. The objective ha...