Suitable for elementary school use to aid learning about science-based subjects and can be used to study stones, insects, flowers, minerals, and slides 100x magnification with a 10x wide-field objective lens and a 10x DIN objective lens Unique light gathering system uses a prism and can be used in any natural light 3.5" moveable stage has locked-on, spring-loaded stage clips to hold the slide in place Adjustable arm tilts up to 45 degrees for comfortable viewing Sturdy metal construction for years of use No electrical, mirror, gear, or knob maintenance required Includes a vinyl dust cover and instruction manual