Meiji Techno, EM-51L, Trinocular Stereo Entry-Level Industrial Microscope 6.7x - 45x Zoom Range LEDIncludes:Trinocular Body with 0.7-4.5X Zoom Range (EM-51L )10X Eyepiece (MA1061) (7X-45X Total Magnification)Plain Pole Stand (No illumination)LED Ring light with 56 bulb arrayLED Ring light threaded adapterRubber Eyeguards/Eyeshields (Paired) (Factory Installed)Meiji Techno Instruction ManualThe EM-51L Trinocular Entry level Zoom stereo Microscope with 0.67-4.5 Zoom range with LED Ring Light Incident illumination is our turnkey complete Industrial zoom / Educational zoom microscope system on a Plain alloy ergonomic 210mm (8.26") x 273mm (10.75") plain stand with two stage clips and a 4" black and white stage plate is a durable Industrial or classroom microscope and student microscope that is economical without breaking your budget. Equipped with a MA962 – with 58 bulb array LED ring light and ring light ring adapter for incident (top) illumination.The EM-51L is a turnkey trinocular unit that has the microscope body, stand and eyepieces, and even ring light LED incident illumination which is a perfect for your specific application requiring a zoom microscope with a top (incident) illumination. The EM-51L is supplied with a 10X/ 22mm paired eyepiece there is a locking pin that can secure the eyepiece in place which gives 6.7X to 45X Zoom Magnification with a 10X eyepiece engaged. The wide handled rubberized grip knobs are ergonomically placed and is very comfortable and the tension can be increased or decreased for smooth operation. The dual interpupillary distance adjustment is from 54mm -76mm. The F.O.V. (Field of View is 32.8mm – 4.9mm) as you change the zoom knobs.