The Celestron Labs CB2000C Binocular Compound Microscope offers all the advanced features you are looking for. With 10x and 20x eyepieces and 4 included objective lenses (4x, 10x, 40x and 100x), you will achieve magnification ranging from 40x to 2000x. Improve the quality of your magnified images with the included 3 colored filters. A trinocular eyepiece tube is included, allowing for a camera to be adapted or for secondary eyepiece viewing. The 10 included prepared slides guarantee exciting discoveries right out of the box.This microscope provides perfect illumination thanks its NA 1.25 Abbe condenser and iris diaphragm, which allow to you to control and concentrate light on your specimens. You can easily control brightness, contrast, depth of field, and evenness of illumination by adjusting the distance between the Abbe condenser and objective or by adjusting the condenser