MSM-414 Stereo Microscope Eyepiece Type Binocular Microscope Type Stereo Stand Type Pole Light Source Transmitted/Reflected 12V/10W Halogen Optical Field of View 20 mm Max Specimen Height 100 mm Optical Magnification 10X to 40X Maximum Magnification Capability 800X Base Dimensions 13 13/64 in x 6 45/64 in x 9 19/64 in (HxWxD) Manufacturers Warranty Length 1 yr Working Distance 80 mm Eyepiece Protractor No