Double Convex Lens – 50mm Diameter, 100mm Focal Length (Optically True Glass)

This high‑quality 50mm Double Convex Lens is made from optically true worked glass, offering excellent clarity and precision for classroom optics investigations. With highly polished, ground edges for both safety and accuracy, this lens produces clean, reliable refraction and focusing results—ideal for hands‑on teaching of fundamental physics principles.

Featuring a 100mm focal length, this lens is perfect for close‑range demonstrations and experiments involving image formation, convergence of light, and ray‑tracing techniques.

Key Features

• 50mm diameter – suitable for a wide variety of optical setups
• 100mm focal length – ideal for close‑focus demonstrations
• Made from optically true, worked glass for clear, accurate results
• Spherical double‑convex design for precise light convergence
• Ground and polished edges for safety and high optical performance
• Durable and suitable for frequent classroom use

Ideal for School Science Lessons & Practical Activities

A valuable resource for KS3, GCSE, and A‑Level physics, this double convex lens helps students explore core concepts in light and optics. It is commonly used for:

• Ray‑tracing experiments to observe how light converges
• Refraction demonstrations with ray boxes or laser sources
• Studying image formation, magnification, and focal point behaviour
• Exploring lens equations and geometric optics
• Introducing students to waves, refraction, and optical systems

Accurate, polished, and designed for educational use, this 50mm double convex lens enables clear, engaging, and meaningful investigations into the behaviour of light in school science laboratories.