Feature: 1. High resolution with great flatness and contrast, giving you clear images. 2. It has a large scope of working distance, a wide field of inspection view. 3. Equipped with binocular tubes with adjustable diopters, making it useful. 4. It is made of sturdy aluminum alloy, making it strong and durable in use. 5. It ia an excellent stereo inspection microscope for industry and laboratory. Specification: Condition: 100% Brand New Item Type: Binocular Stereo Microscope Material: Aluminum Alloy Optical Zoom: 3.5X-90X Observation head and binocular observation head are tilted 45°. Interpupillary Distance Adjustment Range: Approx. 54-76mm / 2.1-3in, bilateral visibility adjustable ±5 diopters Eyepiece, High Eyepiece, Wide-Angle Eyepiece: WF10X/20 Objective Lens Zoom Range: 0.7X-4.5X (With magnifying lens) Auxiliary Lens: 0.5X / 165mm, 2X / 30mm Working Distance: Approx. 30 x 165mm / 1.2 x 6.5inSize: As Pictures Shown . Package List: 1 x Binocular Microscope (Main Body) 2 x Eyepiece Protector2 x Eyepiece WF10X/20 1 x WD30 2X Auxiliary Lens1 x WD165 0.5X Auxiliary Lens1 x Small Screwdriver 1 x Dust Cover