Professional-grade compound binocular with trinocular adapter 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. All-metal construction with fully mechanical stage and coaxial focus with coarse and fine focusing knobs. Built-in, adjustable halogen lower illumination with Abbe condenser and iris diaphragm.