Description The optical lens kit includes both convex and concave lens designs crafted from transparent optical glass. These experiment supplies are ideal for physics teaching, optics demonstrations, and classroom equipment. Suitable for magnifying glass activities, kids' learning aids, and hands-on exploration in laboratories, the precision lenses meet diverse scientific and educational requirements. Features -Color:Transparent -Material:Glass -Size:4.80X4.80X0.70cm/1.89X1.89X0.28in (Convex Lens ) -Size:3.80X3.80X0.10cm/1.49X1.49X0.04in (Concave Lens) -Size:4.80X4.80X1.00cm/1.89X1.89X0.39in (Convex Precision) -Size:5.00X2.90X2.90cm/1.97X1.14X1.14in (Prism) -High precision imaging: designed with advanced optical glass lens technology, this lens set delivers exceptional clarity for physics teaching convex lens experiments and professional observation needs -Multiple size options: choose your ideal lens size to fit diverse experiment supplies, optics demonstration kit setups, and various optical equipment applications - material quality: made from transparent optical lens glass, this product ensures minimal dispersion and distortion, giving you true color reproduction in every use -Versatile applications: suitable for telescopes, microscopes, and cameras, these optical lenses empower students and enthusiasts to explore both micro and macro worlds during physics laboratory equipment lessons -Durable construction: featuring glass material, the optical lens set maintains excellent optical performance over time, lowering maintenance needs in physics teaching tools and experiment environmentsPackage list: 5 x Convex and Concave Lens 1 x Box