Our 50mm double convex lenses are an essential accessory for anyone involved in optical experiments or studying activities. The lenses provide a clear and magnified view, making them ideal for studying small details or distant objects. They are made from acrylic materials, ensuring performance and reliability. The set includes 12 lenses, offering great value and convenience. Features -Color:Transparent -Material:Acrylic -Size:5.00X5.00X1.00cm/1.97X1.97X0.39in -Diameter: 50 mm -Crystal clear: the double convex lens design provides a clear and , enhancing your observational capabilities -Wide range of uses: suitable for telescopes, magnifiers, and other optical devices, making it suitable for various applications -Effortless replacement: designed for easy and quick installation, these lenses can be replaced without any skilled assistance -Studying tool: ideal for use in study settings, these lenses are suitable for teaching physics and conducting experiments -Robust and reliable: constructed from acrylic materials, these lenses are built to last, ensuring consistent performance over time Package list: 12 x convex lenses