*PREMIUM QUALITY - The stereo microscope features 3.5X-90X image magnification capability, including 0.5X and 2.0X lenses and WF10x/20 eyepieces. Full optical glass lenses create sharp and clear stereo images with excellent contrast and vibrant colors. *DIVERSE ADJUSTMENT - This digital microscope has a 45-degree inclined and 360-degree swiveling head with adjustable interpupillary distance and diopter. The subtle and coarse focus adjusting knobs are adapted to suit different needs. *TRINOCULAR PORT - Our trinocular stereo zoom microscope comes with a top expansion port designed to connect the camera or display. It allows you to watch the specimen image or live video on a larger screen with more people together. *DUAL ARM BOOM - The trinocular stereo zoom microscope is designed with the dual-arm boom, allowing a working distance up to 20 cm/7.87". It is easy to adjust forward/backward and up/down for covering a large working area. *WIDE APPLICATION - This stereo zoom microscope is widely used to observe insects, plants, rocks, stamps, jewelry, soldered pieces, microelectronic components, etc. It is an ideal tool for watchmaker, jeweler, engraver, dies-maker, philatelist, and students. ******************************************************************************************************* *Specifications Material: Al-Zn Steel + Optical Lenses Trinocular Head: 360-Degree Rotatable + 45-Degree Inclined Ocular Port Diameter: 30 mm/1.18" Eyepieces: WF10X/20 mm Magnification Range: 3.5X-90X Objective: 0.7X-4.5X Lens: 0.5X and 2.0X Zoom Range: 26:1 Diopter Adjustment: 5dp Interpupillary Distance: 55-75 mm/2.17"-2.95" Field of View: 2.5-65 mm/0.1"-2.56" Working Distance: 20 cm/7.87" (Adjustable) Weight: 24.5 kg/54.01 lb ******************************************************************************************************* *Pakcage Content 1 x Stereo Microscope (Dual Arm Boom Stand) 1 x Phone Maintenance Repair Kit 1 x Wrench 1 x Dust-Proof Cover Sheet 1 x Pair of Cutting Nippers 5 x Protective Lens Covers 1 x User Manual