Product Description 377-974A Mitutoyo MSM-400 Stereo Microscope - MSM-414TL The Mitutoyo377-974AMSM-400 Stereo Microscopes - has the following specifications: Optical Tube: Trinocular Magnification: 10X - 40X Eyepiece: 10X (377-016) Objective: 1X - 4X Working Distance: 80mm Field of View: 20mm - 5mm Dimensions: H=13.2" x W=6.7" x D=9.3" Mass: 13.2 lbs (6kg) Features: Continuous 1X - 4X magnification Image always in focus throughout zoom range Crisp, erect images with high resolution and excellent stereoscopic effect Stereo-tube can be rotated a full 360?, for viewing at any angle Bilateral zoom control knob adds convenience and increases operator efficiency Diopter adjustment for both eyepieces Binocular tube inclination: 45? Focusing range: 1.46" (37mm) Interpapillaryadjustable range: 2.12" - 2.99" (54mm - 76mm) Optional zoom ranges from 2.5X - 10X to 30X - 120X The MSM-414L is a traditional binocular stereo microscope for industrial, medical and classroom applications. It is ideal for electrical small part inspection, assembly, and medical/biological dissection.