This is a package of biological binocular microscope with a NA 0.7-0.9 dry darkfield condenser, a brightfield Abbe NA1.25 condenser,4" x 6" 100-piece lens cleaning paper. The darkfield compound microscope provides both darkfield and brightfield microscope system. It offers eight levels of magnification from 40X to 1600X. 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 binocular microscopy is good for teaching, demonstration, clinical examination and research purpose.