Double-Convex Glass Lens Pack of 20 2"H 50mm Diameter Optical Glass Clear 25cm Focal Length Physics Lab Optics Tool By GSC International Inc.

Equip classrooms and laboratories with this Double-Convex Glass Lens Pack of 20, designed for precise light convergence and consistent optical performance. Each lens is crafted from polished optical glass and measures 2 inches in height with a 50mm diameter, making it ideal for group experiments, classroom distribution, and hands-on STEM learning. The clear construction allows easy observation of focal points and image formation.

Each lens features a 25cm focal length, making this set suitable for demonstrating magnification, convergence, and advanced optical principles. The smooth, polished surface ensures minimal distortion and reliable clarity, while the bulk pack format provides a cost-effective solution for schools, labs, and training environments. Designed for indoor educational use, this set delivers both performance and convenience.

Key Features:

• Bulk Classroom Efficiency: Pack of 20 lenses supports group experiments and lab use | Full Dimensions (Each): 2"H x 2"W x 0.18"D
• Consistent Optical Accuracy: Uniform focal length ensures reliable and repeatable results
• Durable Glass Construction: Built to withstand frequent handling in educational settings
• Enhanced Hands-On Learning: Ideal for teaching magnification, focus, and image formation
• Cost-Effective Lab Solution: Multi-pack format reduces the need for individual purchases