The trinocular compound LED siedentopf microscope 40X-2000X provides brightfield & darkfield microscope system and 9MP USB digital imaging system. The darkfield microscope features an optical system for simultaneously observing images through eyepieces and an adjustable trinocular port. The 3488x2616 pixels USB digital imaging system that captures still microscope images and live video on computer. The included software compatible with windows, Mac OS and Linux operating system can also be used to make measurements. All lenses are made of high quality optical glass. The high resolution image in the field of view is crystal clear and will satisfy the demands of professionals. This darkfield compound microscopy is ideal for professionals and also affordable for students.