Specification Brand : VINGVO BulletPoint1 : 【Portable Mini】- Small in size, light in weight, our Meniscus Lens is a forward in teaching aids. Easy to carry, it's a compact yet powerful tool in any teacher's repertoire. BulletPoint2 : 【Wide Applicability】- Expand the horizons of learning with our Optical Lens. for physics classroom demonstrations, it enhances understanding of optics and light refraction, offering a multifaceted educational experience. BulletPoint3 : 【 Optical Glass】- Usher in a new of clarity with our Meniscus Lens. Made of superior optical glass, it delivers high precision and unmatched quality, bringing the world into. BulletPoint4 : 【Educational Devices】- Turn into practice with our Optical Appliances. Designed for educational use, they facilitate hands-on learning in geometrical optics, transforming research into a truly immersive experience. BulletPoint5 : 【Clear Imaging】- With a staggering length of up to 39.6, our Concave Convex Lens delivers crystal clear images. Expertly polished and edged, they allow for sharp, undistorted imaging for in-depth exploration of optical phenomena. ExternallyAssignedProductIdentifier : 9111770010104 ItemName : Concave Lens, Concave Convex Lens Clear Imaging Meniscus Lens Optical Glass Lens for Physics Classroom Demonstration Teaching ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : science-classroom-optics-kits Manufacturer : VINGVO ModelName : Vingvoiwf17sdpx9 ModelNumber : VINGVOiwf17sdpx9 NumberOfItems : 1 PartNumber : VINGVOiwf17sdpx9 ProductDescription : 1. Optical Glass Material: Meniscus lenses are made of high grade optical glass with high accuracy. 2. Educational Devices: Educational grade optics for fundamental research in geometric optics. 3. Clear Imaging: The length can up to 39.6, the imaging is clear, highly polished, and edged. 4. Portable Mini: Small size, light weight, easy to carry, excellent teaching aid for teachers. 5. Applicability: This optical lens is ideal for physics classroom demonstrations of optics and light refraction.