Double-Concave Glass Lens, 50mm Diameter, 15cm Focal Length – Polished Optical Glass, Pack of 20 for Optical Science By GSC International Inc.

The Double-Concave Glass Lens by GSC International Inc. is made from high-quality polished optical glass, designed for precision in optical science experiments and light refraction studies. Each lens measures 50mm in diameter and features a 15cm focal length, ideal for various optical experiments in classrooms, labs, and educational setups. The double-concave design helps converge light rays inward, making it an essential tool for physics and optical science projects.

Sold in a convenient pack of 20 lenses, this bulk set is perfect for group activities, school laboratories, and STEM education. These lenses are durable and long-lasting, ensuring reliable performance in optical studies and science demonstrations. Whether for demonstrating light behavior or studying optical properties, this lens set provides clear and accurate results, helping students and researchers visualize and understand light refraction and other optical phenomena.

Key Features:

• Ideal for Optical Science Projects: Perfect for light refraction studies, physics demonstrations, and optical science experiments
• Durable Optical Glass: Made from high-quality polished optical glass for precision and long-term use
• Accurate Light Convergence: The double-concave design effectively converges light rays for optical experiments
• Bulk Pack of 20 Lenses: Ideal for group projects, classrooms, and educational setups where multiple lenses are needed
• Full Dimensions: 2"L x 2"W x 0.25"H | Lens Diameter: 50mm, Focal Length: 15cm