Celestron 67x Professional Stereo Zoom Microscope

Features Heavy duty, professional zoom stereo microscope Extra strong base, stand and head A set of 15x extra wide field eyepieces 0.7x to 4.5x zoom objective lenses Fully coated glass optics Halogen top illumination Fluorescent bottom illumination 115-volt power (Model 44206-230 is 230-volt power) 5 prepared slides Working distance: 180 mm (7.7 in)