UNITRON Trinocular Microscope,0.7X to 3X,16in.H

Microscope; Eyepiece Type Trinocular; Microscope Type Stereo; Stand Type Ball Bearing Boom; Light Source Not Applicable; Optical Field of View 20 mm; Optical Magnification 0.7X to 3X; Maximum Magnification Capability 30X; Vertical Extension 15 1/2 in; Horizontal Extension 23 in; Base Dimensions 10 in x 10 in; Manufacturers Warranty Length 5 yr; Working Distance 97 mm; Eyepiece Protractor No; Features 4.3:1 Zoom Ratio; Airtight and Anti-Mold Design