Digital Measuring Microscope, Eyepiece Type Monocular, Microscope Type Compound, Stand Type Standard, Light Source LED, Optical Field of View 2.5 mm, Optical Magnification 15X to 100X, Maximum Magnification Capability 15X to 100X, Base Dimensions 22 7/16 in x 11 13/16 in, Working Distance 70 mm, Eyepiece Protractor No