compound microscope

noun

1. an optical instrument for forming magnified images of small objects, consisting of an objective lens with a very short focal length and an eyepiece with a longer focal length, both lenses mounted in the same tube.

noun

1. an instrument for magnifying small objects, consisting of a lens of short focal length for forming an image that is further magnified by a second lens of longer focal lengthCompare simple microscope

n.

1. A microscope consisting of an objective and an eyepiece at opposite ends of an adjustable tube.