Double Concave Lens – 50mm Diameter, Focal Length 200mm

This high‑quality 50mm Double Concave Lens is crafted from spherical, optically true worked glass, providing excellent clarity and reliable performance in school science laboratories. The lens features highly polished, ground edges to ensure safety and precision during practical use.

With a focal length of 200mm, this double concave lens is ideal for exploring fundamental principles of light, optics, and image formation. Its durable construction and accurate curvature make it perfect for demonstrations and hands‑on student activities.

Key Features

• 50mm diameter double concave lens
• Made from optically true worked glass for excellent image quality
• FL 200mm (focal length) for accurate optical demonstrations
• Spherical lens shape for consistent light divergence