AmScope 10x-20x-30x-60x Student Sharp Stereo Microscope with Optical Glass Lenses and Metal Framework 10X-20X-30X-60X binocular stereo magnification powers Widefield optical glass lenses offers sharp images Sturdy all metal framework with top light High resolution and good depth within a broad field of view Great for viewing insects, plants, rocks, stamps, coins, fabrics, fingerprints, electronic circuit boards, etc.