*KeyFeatures *7X-45X Continuous Zoom: This jewelry microscope with spring bracket provides high-definition clarity and a wide field of view for your work. With a working height of 0-15.7 inches / 0-400mm, a field of view range of 0.2-1.3 inches / 5.1-33mm, and a lens ring of 3 inches / 77mm, it provides high clarity and strong stereoscopic effect. *Reinforced Multi-Angle Adjustable Stand: The reinforced stand of the jewelers microscope can be adjusted up, down, left, right, forward, and backward. The stable structure helps reduce vibrations for precise observations. The maximum working distance is 30.7 inches / 780mm, and the minimum working distance is 13.2 inches / 335mm. *Quick Release Stand Structure: The multi-directional microscope is designed with a quick release stand structure, allowing for quick loosening of the stand joints. Simply follow 3 stepspress the button, lift the handle, and twist to tighten, making observation work simpler. *Integrated Ring LED Light: The integrated design ensures more even lighting and easier installation. With 144 LED lights providing ample illumination at 18000-35000 lumens, it clearly presents the details of the jewelry. The microscope jewelry inlaid stand uses a USB interface for more convenient installation. *Support for Simultaneous Observation and Adjustment: The simple adjustment mechanism of the stereo microscope allows for quick and precise adjustments of diopter, magnification, and lens distance, making your work more efficient. ******************************************************************************************************* *Specifications Item Model Number: JH-1A Eyepiece Magnification: 10X Objective Lens Magnification: 0.7X-4.5X (adjustable) Total Magnification: 7X-45X (adjustable) Working Distance: 0-15.7 in / 0-400mm Field of View: 0.2-1.3in / 5.1-33mm Binocular Distance: 2-3 in / 50-75mm Stand Extension Length: 13.2-30.7 in / 335-780mm Product Weight: 22 lbs / 10kg Material: Steel + Aluminum + Plastic Product Dimensions: 18.3 x 6.9 x 18.7 in / 465 x 175 x 475mm ******************************************************************************************************* *Pakcage Content 1 x Main Body Stand 1 x Microscope Assembly 1 x Microscope Support Stand (Basketball Hoop Shape) 1 x Ring Light 1 x Dust Cover 1 x Head Support Rod 2 x Eyepieces 1 x Objective Lens 2 x Eye Shields 1 x Installation Kit 1 x User Manual