This binocular arm-stand stereo microscope comes with a 2MP USB digital camera. It has three magnification power settings 20X 40X & 80X and a versatile illumination system that provides both incident (top) lighting and transmitted (bottom) illumination. You can choose between incident illumination shining down onto the object or transmitted illumination through the frosted stage plate. The first is used for the observation of three-dimensional objects and the second for the observation of slides. This microscope offers high resolution and good depth within a broad field of view. It gives sharp clear stereo images. Its 45 degree inclined binocular head ensures an easy observation and rubber eyeguards provide further comfort. The digital camera captures still images and video and allows you to view a live stream on your PC. The included software for Windows offers image-development and measurement tools as well as advanced compositing features such as image-stitching and extended-depth-of-focus. Independent preview and capture resolutions allow you to view high-speed video while capturing high-definition images. On Mac computers the camera can be used as a driverless imaging device compatible with various applications such as ProScope and Photo Booth.. This stereo microscope is a great instrument for many applications. It can be used in geology forestry archaeology agriculture and biology. It is appropriate for educational purposes in hospitals and schools. It is great for the exploration of the world of surface details and fine structures of various materials like wood metal solder semiconductor and stone. It is perfect for the examination of insects plants rocks stamps coins jewel soldered points microelectronic components or virtually any three dimensional objects. This scope is an ideal tool for watchmaker jeweler engraver dies-maker philatelist coin collector students and etc. It comes with first-class quality and affordable price. Features : An affordable great stereo microscope with digital image system! 45 degree inclined binocular head with locked-in eyepieces Three magnification levels: 20X 40X & 80X Sharp stereo erect images over a wide field view High quality original true color Unbeatable lowest price Ocular-tube with adjustable diopter Accurate alignment ensuring a fatigue-free long hour viewing Rugged metal frame and arm-stand Full optical glass elements Precise ground glass lens All metal mechanical parts Adjustable interpupillary distance Built-in both incident and transmitted illumination Systems Upper/lower halogen lights GS CE approval electric apparatus Extra bulb white/black base plate and rubber eye-guards included Unbeatable Lowest Price Guaranteed or the Difference Back! Satisfaction Guaranteed or Your Money Back! Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Manufacturer Warranty Specifications : Head: 45 degree inclined binocular Widefield Eyepiece: WF10X and WF20X Objective: 2X 4X Diopter Adjustment: +/-5dp Interpupillary Distance: 2-3/16 - 2-15/16 (55-75mm) Working Distance: 2-1/8 (53mm) Frosted Glass Objective Plate: 3-3/4 (96mm) in diameter White/Black Plastic Objective Plate: 3-3/4 (96mm) in diameter Incident Illumination: 12V/10W Transmitted Illumination: 12V/10W Power Supply: 110V (220V version available) Accessories: a pair of eye-caps a pair of clips and a dust cover