Meniscus Lenses Dia 50mm, FL 11D, Each

Details

Here is the corrected text: This highly polished meniscus lens measures 50mm in diameter and boasts a +11D focal length, crafted from high-quality, optically worked glass. The lens has undergone rigorous polishing to ensure maximum performance and features ground edges for added durability. Excellent for physics classrooms, it's ideal for demonstrations in optics and light.