Specification Brand : VINGVO BulletPoint1 : 【Educational Device】- Our Optical Lenses serve as educational grade optics for fundamental research in geometric optics. Make every exploration a memorable one with these lenses that enliven the classroom. BulletPoint2 : 【Portable Design】- These Meniscus Lenses are lightweight and compact, designed with portability in mind. Easy to carry, they make for a teaching aid, ready to illuminate curious minds at all times. BulletPoint3 : 【High-Grade Material】- Presenting to you our convex lens, meticulously crafted from high-grade optical glass. Precision and quality are enshrined in its very making, promising high accuracy that meets your requirements. BulletPoint4 : 【Clear Imaging】- These Optical Lenses boast of a length of up to -30.97, offering exceptionally clear imaging. Meticulously polished and edged, these lenses stand for transparency and clarity. BulletPoint5 : 【Wide Applicability】- Step into the world of physics with our Meniscus Lenses. Perfectly suited for classroom demonstrations of optics and light refraction, these lenses provide a practical yet immersive learning experience. ItemName : Convex Lens, Concave Convex Lens Portable Small Clear Image Meniscus Lens Optical Glass Lens Educational Devices for Physics Teaching ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : science-classroom-optics-kits Manufacturer : VINGVO ModelName : Narooted07br4ugzk ModelNumber : VINGVOugc2v8t63o NumberOfItems : 1 PartNumber : VINGVOugc2v8t63o ProductDescription : 1. Material: Meniscus lenses are made of high grade optical glass with high accuracy. 2. Clear Imaging: The length can up to ‑30.97, the imaging is clear, highly polished, and edged. 3. Applicability: This optical lens is ideal for physics classroom demonstrations of optics and light refraction. 4. Educational Devices: Educational grade optics for fundamental research in geometric optics. 5. Portable: Small size, light weight, easy to carry, excellent teaching aid for teachers.