AmScope 40X-2000X 3W LED Siedentopf Trinocular Compound Microscope with 3W LED Illumination Eight Level Widefield Magnification Settings from 40X to 2000X High Quality Optical Lenses, Abbe Condenser with Iris Diaphragm, Tension Adjustable Coaxial Coarse & Fine Focus Backward Nosepiece Allowing Spacious Space for Easy Operation 3W Bright LED light equivalent to 30W halogen light Trinocular Port for Adding Photo/Video Capability