Double-Convex Glass Lens 2"H Polished Optical Glass 50mm Diameter 15cm Focal Length Pack of 20 Science Lab Optical Lens By GSC International Inc.

Enhance physics experiments and STEM projects with this Pack of 20 Double-Convex Glass Lenses by GSC International Inc. Each lens is crafted from polished optical glass for precise light refraction and accurate scientific observations.

Each lens measures 50mm in diameter with a 15cm focal length, making them ideal for magnification, focusing, and ray-tracing experiments. The compact 2"H × 2"W × 0.22"D size ensures easy handling and storage, whether in classroom labs, laboratories, or DIY optical projects.

This pack of 20 lenses provides excellent value for schools, science clubs, or group STEM activities. Durable polished glass ensures minimal distortion and long-lasting clarity, supporting repeated hands-on learning.

Key Features:

• Accurate Light Refraction: Provides precise focusing and magnification for optics experiments | Full Dimensions: 2"H × 2"W × 0.22"D
• Pack of 20 Lenses: Perfect for classroom labs, science clubs, or group STEM activities
• Compact & Portable: Easy to handle and store individually or as a set
• Durable Optical Glass: Polished glass resists scratches and maintains clarity over time
• Versatile Educational Tool: Supports hands-on physics experiments, ray tracing, and STEM learning