7X-45X 3.5X-90X 3.5X-180X Binocular Stereo Zoom Metal Pillar Stand Microscope WF20X WF10X Eyepiece 0.5X 2.0X Auxiliary Objective Lens Features: 7X-45X zoom ratio, the image is clear and sharp Ultra Wide Field of View High Eye Point Optics Wide field of view 4 (100mm) working distance Sturdy all-metal post bracket Powerful 56-LED Ring Light with Dimmer Excellent Stereo Inspection Microscope with Intensity Adjustable 56-LED Ring Light 7x-45x ultra wide-angle zoom magnification Bright cold light 56-LED lighting system High resolution, high flatness and contrast, clear and clear images The binocular head is tilted 45 degrees and rotated 360 degrees, the eye tube is clear Stereo upright image with wide field of view Crystal clear original true color microscope images Binocular tube, diopter adjustable Large working distance Sturdy all-metal desk stand Precise alignment reduces eye strain for longer viewing time All Optical Glass Components Precision frosted glass lens All-metal chrome-plated mechanical parts Adjustable interpupillary distance Includes rubber goggles Specification: Head: 360-degree rotatable 45-degree tilting binoculars Eyepiece: 30mm super wide-angle high-eyepoint WF10X/20MM Objective lens zoom range: 0.35X-9.0X, using Barlow lens Working Distance: 4 (100mm) Diopter adjustment: 5dp Interpupillary distance: 2-3/16 2-15/16 (55-75mm) Disc: 3-3/4 (95mm) diameter Stand: 255 x 200 x 250 mm Lighting: 56-LED ring light Power input: 110-240V, 50-60HZ, automatic switching Accessories: a pair of eye masks Set includes: 1 x binocular stereo zoom 1 x Super wide-angle 10X/20MM eyepiece 1 x 56 - LED Ring Light with Adapter 1 x Post Stand 1 x Focusing frame 1 x eye shield 1 x clip 1 x dust cover (optional) 1 x Super wide-angle 20X/10MM eyepiece 1 x 2.0X auxiliary microscope objective (working distance 30 mm) 1 x 0.5X microscope auxiliary objective (working distance 165 mm) 1 x 1.0X microscope auxiliary objective lens (protective function lens) 7-45X 3.5X-180X zoom magnification binocular stereo microscope with 0.7X-4.5X zoom objective lens, optional two Barlow lenses (0.5X and 2.0x), two pairs of super wide-angle high-eye point eyepieces (10X and 20X) and foldable eyecup. 7-45X binocular stereo zoom microscope, if you need 0.35X-90X, please choose: option 2.0X / 0.5X objective lens (3.5X-90X) This stereo microscope has a 56-LED ring light that offers ultra-wide-angle optics and 7X- 45X zoom magnification with cold light illumination system. It is an ideal instrument for industrial testing and/or biological laboratory applications. This microscope is ideal for gemologists, manufacturing engineers, dental laboratory technicians, and anyone in the electronics and semiconductor industries.