Double-Concave Glass Lens 38mm Diameter 50cm Focal Length for Physics & STEM Experiments, Pack of 20 By GSC International Inc.

This Double-Concave Glass Lens by GSC International Inc. is crafted from polished optical glass and measures 38mm in diameter with a 50cm focal length. Sold in a pack of 20 lenses, it is perfect for optical experiments, light refraction studies, and educational demonstrations in classrooms, STEM labs, and research settings.

Designed to provide high clarity and precision, this lens is ideal for studying light behavior, magnification, and focusing light. Its compact size and durable glass construction make it a reliable tool for repeated use in physics education and scientific experiments. This bulk pack is especially useful for group experiments, classroom labs, and hands-on learning activities.

Key Features:

• Polished Optical Glass: Provides superior clarity and precision for optical experiments
  Full Dimensions: 38mm diameter x 50cm focal length
• Pack of 20 Lenses: Ideal for classrooms, labs, and STEM group activities
• Perfect for Education: Supports physics demonstrations, STEM labs, and optics research
• Durable & Reliable: Long-lasting glass design ensures consistent results
• Versatile Applications: Suitable for light refraction, magnification, and focusing light studies