Dual Magnification Stereo Microscope, Eyepiece Type Binocular, Microscope Type Stereo, Stand Type Pole, Light Source None, Optical Field of View 20 mm, Max Specimen Height 120.0 mm, Optical Magnification 10X to 30X, Maximum Magnification Capability 60X, Vertical Extension 4 in, Base Dimensions 6-1/2 in x 9 in, Manufacturers Warranty Length 1 yr, Working Distance 88.9 mm, Eyepiece Protractor No, Features Dual Magnification 10x and 30x, on Pole Stand with No Illumination