Double Convex Lens – 50mm Diameter, 200mm Focal Length (Optically True Glass)

This high‑quality 50mm Double Convex Lens is made from spherical, optically true worked glass, ensuring outstanding clarity and minimal distortion during optical experiments. The lens features highly polished, ground edges for safety, precision, and excellent optical performance.

With a focal length of 200mm, this versatile lens is ideal for medium‑range focusing, refraction demonstrations, and ray‑tracing activities in school physics lessons. Durable and reliable, it supports accurate and engaging optical investigations.

Key Features

• 50mm diameter suitable for standard optical experiments
• 200mm focal length ideal for medium‑range focusing tasks
• Made from optically true worked glass for high clarity
• Spherical double‑convex shape for accurate light convergence
• Ground and polished edges for safety and precision
• Robust and suitable for frequent classroom use

Ideal for School Science Lessons & Practical Activities

Perfect for KS3, GCSE, and A‑Level physics lessons, this double convex lens supports a wide variety of optical investigations. It is commonly used for:

• Ray‑tracing experiments to study light paths
• Refraction demonstrations with ray boxes or laser sources