Vivitar microscopes are made of the finest materials and with the best optics to ensure that you get precise answers and solutions to all your endeavors. The MIC-20 is equipped with all the necessities of a microscope. It has collecting vials, plastic slide covers, adjustable lenses and collecting lamps. This is a great beginner level biological microscope with advanced features. The electric illuminator provides direct control of light. A mechanical stage is standard equipment with knobs controlling both axes for easy centering of specimen slides. This set is great for beginning scientists.