S iris diaphragm, which controls the diameter of the light beam. The fully mechanical stage has knobs to control both axes for easy centering of your slides.
An all-metal construction means you can rely on the CB2000C for years to come. The Trinocular adapter allows for the attachment of a camera for taking images of your specimens. Features - 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. Specifications Type of Microscope: Compound Trinocular Head: Trinocular with 360? Incline and interpipilary distance adjustability Eyepiece(s) Magnification: (1) 10x and (1) 20x (10x with pointer) Eyepiece(s) Diameter: 23.2 mm. 91" Nosepiece: quadruple, rotational Objective(s) Type: Refractive Objective(s) Standard: DIN Objective(s) Magnification: (4) 4x, 10x, 40x, 100x immersion, all achromatic Objective(s) Thread: 4/5" x 1/36 Focus Type(s): Coaxial coarse and fine focus (individual dials) Focus Travel (per rotation): 0.2 mm.0078 Magnification Range: 40x to 2000x (40x, 80x, 100x, 200x, 400x, 800x, 1000x and 2000x) Illumination Type: 44132: Halogen, 44232: LED Included Accessories: Trinocular adapter tube, 10 prepared slides, 3 color filters (blue, white opaque, green), immersion oil.