Ideal for teaching use, the teaching experiment equipment optical lens double convex lens is a versatile tool for physics experiments. These lenses are crafted from optical glass, ensuring clear and accurate results. They are ideal for a variety of experiments, including light refraction, magnification, and image formation. By incorporating these lenses into your teaching toolkit, you can create dynamic and interactive lessons that will help students grasp important optical principles. Features Focal length: 100mm -Color:Transparent -Material:Glass -Size:5.00X5.00X0.40cm/1.97X1.97X0.16in -Robust glass: made with robust glass, this optical glass for education allows clarity and durability, ideal for teaching and experimental purposes -Focusing: the double convex lens design offers focusing and magnification, making it ideal for detailed scientific observations -Wide application: suitable for laboratory teaching, scientific research, and optical experiments, this experimental teaching tool is a versatile teaching tool -Precision refraction: the lens surface is meticulously processed to ensure precise light refraction and focusing, enhancing the accuracy of experimental results -Convenient: this optical lens is easy to carry and use, making it a practical choice for both students and educators Package list: 2 x optical convex lenses