ULTECHNOVO Double Convex Lens 30 Mm Optical Lens 50 Mm Focal Length Polished Glass with Ground Edges for Science Education Classroom Demonstrations Scientific Experiments 6 Pack

Features

• Optical Demonstration: This double convex glass lens measures 1.18 x 1.18 x 0.59 in and has a 1.97 in focal length, making it suitable for showing refraction, focal points, and image formation in science education and lab experiments
• Polished Glass Build: Made of polished optical glass with ground edges, this convex glass lens is designed for classroom demonstrations and hands-on optics activities while offering smoother handling during student use and lab station setup
• STEM Learning Tool: the double convex lens helps students explore magnification, focal length, and image inversion through practical experiments, supporting classroom lessons, homeschool projects, and science kits for optics study
• Ground Edge Design: Each 30 mm optical lens features ground edges for smoother handling during demonstrations, making it easier to pass around in group settings, lab stations, and educational displays without adding extra mounting parts
• 6-Pack Supply: Includes 6 unmounted double convex lens pieces in one package, giving teachers, labs, and science programs a practical quantity for repeated experiments, multi-station use, and classroom optics demonstrations