Specification Brand : AmScope BulletPoint1 : Digital professional stereo microscope with boom stand has long working distance to enable users to perform work or manipulate large items, including gem and jewelry applications, and an 10MP camera with reduction lens and USB 2.0 output for capturing or displaying images on a computer or projector BulletPoint10 : Versatile boom-arm stand BulletPoint2 : Trinocular viewing head with pairs of 10x and 20x widefield eyepieces, adjustable interpupillary distance, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing BulletPoint3 : 0.7x-4.5x zoom objective provides continuous zoom magnification and longer focal length for inspecting large-scale specimens, a 0.5x Barlow lens extends the working distance, and a 2.0x Barlow lens extends the magnification range BulletPoint4 : Upper and lower LED light provides close-to-daylight illumination for clear color reproduction, and light transmitted through the darkfield condenser is designed for the examination of the inside quality of diamonds BulletPoint5 : Inclined pillar stand with rotatable round mechanical stage measures gem angles, flexible gem clamp secures specimens, and white stage plate provides contrast with dark-colored specimens BulletPoint6 : 10X & 20X Widefield stereo magnifications BulletPoint7 : 6" Very Large working distance BulletPoint8 : 1X and 2X Two objectives BulletPoint9 : Incident side light included Color : White CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 608729740681 ExternallyAssignedProductIdentifier2 : 0608729740681 ExternallyAssignedProductIdentifier3 : 00608729740681 ItemName : AmScope GM300TZ-10M Digital Trinocular Gemology Stereo Zoom Microscope, WF10x and WF20x Eyepieces, 3.5X-90X Magnification, 0.7X-4.5X Zoom Objective, Upper and Lower LED, Inclined Pillar Stand, 90V-240V, Rechargeable Battery, Includes 0.5X and 2.0X Barlow Lenses, 10MP Camera with Reduction Lens, and Software ItemPackageDimensions_Height : 25.4 centimeters ItemPackageDimensions_Length : 59.944 centimeters ItemPackageDimensions_Width : 33.02 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-stereo-microscopes MagnificationMaximum : 40 multiplier_x Manufacturer : United Scope LLC. Material : glass Material1 : Plastic Material2 : Steel ModelNumber : GM300TZ-10M NumberOfItems : 1 PartNumber : GM300TZ-10M PowerSourceType : Battery Powered ProductSiteLaunchDate : 2012-08-24T04:52:38.883Z RealAngleOfView : 45 degrees SupplierDeclaredDgHzRegulation : unknown Voltage : 240 volts