AmScope 40X-2000X 3W LED Siedentopf Trinocular Darkfield Brightfield Compound Microscope A high quality darkfield and brightfield microscopy system 8 darkfield and 8 brightfield power settings up to 2000x Dry darkfield and brightfield Abbe condensers included Widefield optics; Abbe condenser with Iris diaphragm Backward nosepiece allocating spacious operating room