Concave Demonstration Mirror – 20" H Optics Classroom Mirror (40.5cm Diameter, 68cm Focal Length) by GSC International Inc.

Concave Demonstration Mirror – 20" H Optics Classroom Mirror (40.5cm Diameter, 68cm Focal Length) by GSC International Inc.

The Concave Demonstration Mirror from GSC International is a large-format optics teaching tool designed for physical science classrooms and group demonstrations. Its oversized 40.5cm (approx. 16") diameter makes it easy for students to observe reflections, image formation, and focal behavior from across the room.

This mirror is made from durable glass and features a 68cm focal length, making it ideal for exploring concave mirror concepts such as real vs. virtual images, focal points, magnification, and light convergence. A reliable choice for STEM labs, physics lessons, and hands-on optics experiments.

Key Benefits

• Classroom Visibility: Large size allows students to clearly view demonstrations
• Optics Learning Tool: Helps teach concave reflection and light convergence
• Reliable Experiment Results: Defined focal length supports structured labs
• Durable Glass Construction: Built for repeated classroom and lab use
• Full Dimensions: 20" L x 20" W x 20" H
• Specifications: Mirror type: Concave | Diameter: 40.5cm | Focal length: 68cm
• Material: Glass
• Package Weight: 5 lb