Double-Convex Glass Lens Pack of 20 2"H 50mm Diameter Optical Glass Clear 20cm Focal Length Physics Lab Optics Tool By GSC International Inc.

Upgrade classroom experiments and laboratory setups with this Double-Convex Glass Lens Pack of 20, crafted from polished optical glass for precise light refraction and consistent optical performance. Each lens measures 2 inches in height with a 50mm diameter, making them ideal for group learning, classroom distribution, and repeated lab use. The clear glass construction allows accurate observation of focal points and image formation.

Designed for educational efficiency, each lens features a 20cm focal length, supporting a wide range of physics and STEM experiments involving light convergence and magnification. The smooth, polished finish ensures clarity and durability, while the multi-pack format makes it perfect for classrooms, labs, and training environments where multiple students require hands-on access. Intended for indoor use, this set delivers both value and performance.

Key Features:

• Bulk Classroom Convenience: Pack of 20 lenses supports group experiments and lab efficiency | Full Dimensions (Each): 2"H x 2"W x 0.21"D
• Consistent Optical Accuracy: Uniform focal length ensures reliable and repeatable results
• Durable Lab-Ready Build: Polished glass construction withstands frequent educational use
• Enhanced Learning Experience: Enables hands-on participation in optics and light experiments
• Cost-Effective Lab Solution: Multi-pack design reduces the need for individual purchases