The Motic DMWB1-223ASC Upright Microscope is identical to Motic's DM-B1 compound microscope. It includes two WF10x/20mm widefield eyepieces with diopter controls and four achromatic objective lenses, 4x, 10x, 40xS and 100xS for magnification levels of 40x, 100x, 400x and 1,000x. There is an integrated mechanical stage with drop-down, right-hand coaxial controls and spring-loaded slide holder. Rack and pinion focusing with rack stop and tension adjustment has coaxial coarse/fine controls. The substage condenser is Abbe 1.25N.A and illumination is 12V 20W halogen with universal 110V/220V power supply.