The Mitutoyo MSM-414TL, 377-974A Stereo Microscope has continuous 1X-4X magnification, the image is always in focus throughout the zoom range, providing crisp, erect images with high resolution and excellent stereoscopic effects. The stereo-tube can be rotated a full 360 degrees for viewing at any angle, Bilateral zoom control knob adds convenience and increases operator efficiency. It features Diopter adjustment for both eyepieces and the Binocular tube inclination is 45 degrees. This model is a traditional binocular stereo microscope for industrial, medical and classroom applications. Ideal for electrical small part inspection, assembly and medical/biological dissection.