The Celestron Labs CB2000CF Binocular Compound Microscope offers all the advanced features you are looking for at an economical price. With 10x and 20x eyepieces and 4 included objective lenses (4x, 10x, 40x and 100x), you will achieve magnification ranging from 40x to 2000x.Strong and stable thanks to its all-metal construction, this microscope features a fully adjustable, mechanical stage so you can easily center your specimen slides. Improve the quality of your magnified images with the included 3 colored filters. The 10 included prepared slides guarantee exciting discoveries right out of the box. The N 1.25 Abbe condenser with iris diaphragm concentrates and focuses the lower illumination for enhanced viewing making the CB2000CF an excellent tool for labs, schools, scientific research and more.Features- Lab-ready compound binocular microscope with 2000x power- 10x and 20x eyepieces (10x with pointer)- 4 fully achromatic objective lenses, 4x, 10x, 40x, 100x- View specimens at 40x, 80x 100x, 200x, 400x, 800x, 1000x and 2000x magnification- Adjustable Binocular head- All-metal construction with fully mechanical stage- Coarse and fine focus knobs- Built-in, adjustable halogen lower illumination with Abbe condenser and iris diaphragmSpecificationsType of Microscope: Compound BinocularHead: Binocular with 360� rotatable 45� incline and interpipilary distance adjustabilityEyepiece(s) Magnification: (1) 10x and (1) 20x (10x with pointer)Eyepiece(s) Diameter: 23.2 mm (.91")Nosepiece: quadruple, rotationalObjective(s) Type: RefractiveObjective(s) Standard: DINObjective(s) Magnification: (4) 4x, 10x, 40x, 100x immersion, all achromaticObjective(s) Thread: 4/5" x 1/36"Focus Type(s): Rack & pinion, coarse and fine focus (individual dials)Focus Travel (per rotation): 0.1 mm (.004")Magnification Range: 40x to 2000x (40x, 80x, 100x, 200x, 400x, 800x, 1000x and 2000x)Illumination Type: Halogen Included Accessories: 10 prepared slides, 3 color filters (blue, white opaque, green), immersion oil