Celestron Labs CB2000CF Compound Binocular Microscope10x20x Eyepieces4x10x40x100x Achromatic Objective Lenses. The Celestron Labs CB2000CF Binocular Compound Microscope offers all the advanced features you're looking for at an economical price. With 10x and 20x eyepieces and 4 included objective lenses (4x 10x 40x and 100x) you'll 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 Celestron 2000x Binocular Microscope an excellent tool for labs schools scientific research and more. Specifications for Celestron Labs CB2000CF Compund Microscope: Eyepieces: (1) WF 10X (with pointer)/ (1) WF 20X Objectives: (4) achromat 4x 10x 40x 100x on quad click rotating objective turret Magnification: 40x to 1000x Focuser: Coarse and fine focus knobs Head: Binocular with 45-degree incline Illuminator: Lower halogen adjustable Condenser: Abbe NA 1.25 Diaphragm: Iris Stage: Mechanical stage 4.3 in x 4.7 in (110 mm x 120 mm) Power: AC plug (110-240V) Accessories: 10 prepared slides 3 color filters (blue yellow green) immersion oil Dimensions: 7.25 in x 8.75 in x 15.25 in (184 mm x 222 mm x 387 mm) Weight: 7lbs.-12oz. (3.52 kg) Features of Celestron Compound Microscope: Lab-ready compound binocular microscope with 1000x power 10x and 20x eyepieces (10x with pointer) 4 fully achromat objective lenses- 4x 10x 40x 100x View specimens at 40x 80x 100x 200x 400x 800x and 1000x 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 diaphragm Universal AC adapter included Package Contents: Celestron Labs CB2000CF Compound Binocular Microscope Celestron 44131: Labs CB2000CF Compound Binocular Microscope10x20x Eyepieces4x10x40x100x Achromatic Objective Lenses