About This

• Concave lens--nice set to show different aspects of lenses and light passing through and bending,physical optical lens
• Convex lens--it is a great tool for students to learn physics formula and the principle of light refraction,physics teaching
• Physical optical experiment--it is explain the knowledge of physical optics with experiments,optical lens
• Physical convex lens--it is made of glass and plastic material, and practical for long time use,physical optical experiment
• Physical teaching equipment--easy to use, better demonstrate the optical principles and effects, easy to use,physical optical experiment