Double-Concave Glass Lens 38mm Diameter 5cm Focal Length for Physics & STEM Experiments, Pack of 20 By GSC International Inc.

This Double-Concave Glass Lens by GSC International Inc. is made from polished optical glass and measures 38mm in diameter with a 5cm focal length. Sold in a pack of 20 lenses, it is perfect for optical experiments, light refraction studies, and educational demonstrations in physics classrooms and STEM labs.

The lenses are crafted for precision and clarity, providing reliable performance for multiple uses. Their compact size makes them easy to handle and ideal for hands-on learning, allowing students and researchers to explore light behavior, refraction, and magnification in a practical setting.

Key Features:

• Polished Optical Glass: High clarity and precision for a wide range of optical experiments
  Full Dimensions: 38mm diameter x 5cm focal length
• Pack of 20 Lenses: Bulk packaging ideal for classrooms, lab exercises, and group experiments
• Educational Use: Perfect for physics and STEM labs, optical testing, and hands-on learning
• Durable & Reliable: Designed for repeated use with consistent clarity and performance
• Versatile Application: Suitable for light refraction, magnification, and optical study experiments