Digital LED Compound Microscope with built-in 1.3MP Camera and Double-Layer Mechanical Stage Compatible with Windows and Mac. High quality professional optical glass elements; 45 degree inclined 360 degree rotatable binocular head 8 levels of magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X; 4 DIN achromatic objectives 4X, 10X, 40X(S), 100X(S, Oil) Sliding interpapillary distance adjustment; Adjustable ocular diopter on both ocular tubes; Variable intensity illumination; Coaxial coarse and fine focusing adjustment; Focusing knobs on both sides Upward movable lock protects objectives and slides; Stain-resistant double-layer mechanical stage; NA1. 25 Abbe condenser with iris diaphragm and filters; Rack and pinion trimmer Built-in 1. 3MP USB camera (compatible with Windows 7, 8, 10 and Mac) with advanced software for Windows