Feature: 1. High resolution, good flatness and contrast, provides clear image. 2. 7X?45X ultra wide zoom magnification,open field stereoscopic image. 3. Binocular head with 45?degree tilt 360?degree rotating eye tube and adjustable diopter. 4. With all?optical glass elements with accurate frosted glass lenses, including rubber goggles. 5. High accuracy reduces eye fatigue when watching for long periods. Specification: Item Type:Microscope Zoom Range: 0.7x-4.5x Zoom Ratio: 1: 6.4 Total Magnification: 7x-45x Working Distance: 100mm (Standard) Interpupillary Distance: 54-76mm Diopter Adjustment: +/- 5 Diopter Binocular Tube: 45 degree tilt for easy observation Binocular: Can be rotated 360 degrees, locked in any desired position B1 Pole Position Stand Length: Approx. 240mm / 9.45in Diameter: Approx. 32mm / 1.26in Base Size: Approx. 200 x 255 x 22mm / 7.87 x 10.04 x 0.87in With 95mm black and white plastic With A1 Zooming Frame. Package List: 1 x Base1 x Glass Slide2 x Eyepiece2 x Rubber Gloves1 x Hex Wrench2 x Clip1 x Eyepiece Mounting Head1 x LED Light1 x Lamp Power Cord1 x Lamp Switch Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.