Description The Handheld Convex and Concave Lens Set is a versatile tool that offers numerous benefits. It is constructed using convex and concave lenses, ensuring accurate and reliable experimental results.Its compact and lightweight design makes it easy to carry and use, making it suitable for both indoor and outdoor experiments. Additionally, it wide in physics optical experiments, teaching demonstrations, scientific research, and more. Lastly, it serves as an educational tool that aids students in understanding optical principles and enhances their learning outcomes. Features - Color: As Shown -Material:Glass,Plastic,Metal - Size: 12.80X4.00X2.00cm/5.03X1.57X0.79in -This lenses ensure that experimental results are precise and dependable, giving researchers confidence in their findings. -The fixed focal length of these lenses allows the specific needs of different experiments, ensuring accurate . -The compact and lightweight design of these lenses makes them easy to handle and use, providing convenience for researchers and students alike. -With a wide range of in physics, teaching, and scientific research, these lenses are versatile tools that can be used in a variety of settings. -By enhancing students' understanding of optics and improving their academic performance, these lenses can help to inspire a new generation of scientists and researchers. This lenses ensure that experimental results are precise and dependable, giving researchers confidence in their findings. The fixed focal length of these lenses allows the specific needs of different experiments, ensuring accurate . The compact and lightweight design of these lenses makes them easy to handle and use, providing convenience for researchers and students alike. With a wide range of in physics, teaching, and scientific research, these lenses are versatile tools that can be used in a variety of settings. By enhancing students' understanding of optics and improving their academic performance, these lenses can help to inspire a new generation of scientists and researchers.