National Optical 420T-430PHF-10 Trinocular Stereo Zoom Microscope， WF10x Eyepieces， 10x-40x Magnification， 1x-4x Zoom Objective， Upper Halogen and Lower Fluorescent Illumination， Fixed Stage， 110V<img src="http://ecx.images-amazon.com/images/I/41RN-h6KlGL.jpg" noproxy>