Biological Microscope LBM-F21 is a finite optical system comprised microscope with a 30° inclined, 360° swiveling, compensation free binocular head. Equipped with WF10X/18 mm widefield eyepiece and 4 achromatic objectives, offers magnificaion range of 40X to 1000X. With quadruple revolving nosepiece and coaxial coarse and fine focusing with Rack and Pinion mechanism, offers 30 mm focusing range. Designed with Abbe N.A.1.25 condenser with iris diaphragm and filter, it has halogen lamp illumination for double layer mechanical stage.