The Bausch & Lomb Academic 255 microscope is a unique compound microscope that uses a zoom feature rather than objective lenses. The monocular microscope has a 10x eyepiece with a pointer. The nosepiece allows for a continuous zoom from 100x - 500x magnification. This come with a pair of stage clips and a disc diaphragm. This used microscope comes fully serviced and operational. This microscope is higher quality than many new microscopes you can buy today under $400.