Plano Cylindrical Lens, Concave - 75mm Focal Length - 50 x 45mm
Highly polished Plano concave lens, measuring 50mm x 45mm (2" x 1.75"). This diverging lens has a 75mm focal length and is made of high quality, optically worked glass. The lens has been highly polished for maximum performance and features ground edges for added durability. Excellent for physics classroom. Ideal for demonstrations in optics and light refraction. Its ability to diverge light makes it ideal for observing how light bends as it passes through different mediums.