5pcs Double Convex Glass Lens 50mm Diameter 100mm Focal Length for Optical Experiments and Labs

Package Include 5 x Lens Features - . : 5cm concave and convex lens. - Focal Length: 100mm Double Convex Lens - Material: Glass Scientific Glass lense. convex lens spectacles - ColorTransparent optical lens optical optometry - Double-convex lens for demonstrating optical principles and effects for students Science Education Supplies. - Used in scientific experiments and classroom demonstrations. Perfect for use optical lens. lenses for eyes - Made of polished glass with ground edges concave lenses for science.Goods Informationround convex glass It is a accessory for scientific experiments.concave and convex lens This item is well made of for and practical use.convex lens magnifying glass With 5cm in diameter and 100mm focal length, this glass lens will ensure its practicability through high performance

• Physics optics experiment--double-convex lens for demonstrating optical principles and effects for students,optical lens optical optometry
• Optical --used in scientific experiments and classroom demonstrations perfect for use,replaceable lens
• : 5cm,concave lens,concave and convex lens
• Focal length: 100mm,double convex optical lens,convex lens spectacles
• Convex glass--made of polished glass with ground edges,convex lens