Double-Concave Glass Lens 75mm Diameter 20cm 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 75mm in diameter with a 20cm focal length. Sold in a pack of 20 lenses, this product is ideal for optical experiments, light refraction studies, and educational demonstrations in physics classrooms and STEM labs.

Crafted for precision and durability, these lenses provide reliable performance and clarity across multiple uses. The 75mm diameter and 20cm focal length make these lenses versatile for a wide range of scientific experiments and hands-on learning applications. This bulk pack is perfect for schools, labs, and science programs requiring high-quality optical glass for their educational needs.

Key Features:

• Polished Optical Glass: Provides high clarity and precision for a wide range of optical experiments
  Full Dimensions: 75mm diameter x 20cm focal length
• Pack of 20 Lenses: Bulk packaging ideal for group studies, classroom experiments, and large-scale projects
• Perfect for Educational Use: Ideal for physics experiments, STEM lab demonstrations, and optical testing
• Durable & Reliable: High-quality construction for consistent, long-lasting use
• Versatile Application: Suitable for studying light refraction, focusing light, and various optical properties