Bundle: OMAX 40X-2000X LED Biological Microscope + 50 Prepared Slides + 100 Glass Slides and Covers + 100 Sheets Lens Cleaning Paper Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X; Eyepieces: wide field WF10X and WF20X; Objectives: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil); Viewing head: 45 degrees inclined 360 degrees swiveling binocular; Sliding adjustable interpupillary distance: 2-3/16inch ~ 2-15/16inch(55~75mm); Ocular diopter adjustable on both eyetubes Nosepiece: revolving quadruple; Stage: double layer X-Y mechanical stage with scales, size: 4-1/2inchx 4-15/16inch (115mm x 125mm), translation range: 2-13/16inch x 1-3/16inch (70mm x 30mm); Stage upward moving lock protects objectives and slides Condenser: NA1.25 Abbe condenser with iris diaphragm; Illumination: transmitted (lower) LED light, intensity adjustable; Focus: Coaxial coarse and fine knobs on both sides Full solid metal frame construction with stain resistant enamel finish; Power supply: AC/DC adapter, 7.5V/7.5W (UL approved) - Input: 100-240V; 50-piece prepared slides included; 100-piece blank glass slides with covers and 100-sheet lens cleaning paper included 5-year warranty against manufacturing defects