LENS DOUBLE CONCAVE 3.75 CM D 20 CM FL ,Each

Details

Here is the corrected text: This highly polished, double concave lens features a spherical shape with ground edges. Measuring 1.5 inches (38mm) in diameter, it has a diverging focal length of 200mm and a refractive index of 1.52. Made from high-quality, optically worked glass, this lens is excellent for physics classroom demonstrations in optics and light refraction. It is specifically designed for educational purposes and science classroom demonstrations. Eisco Labs proudly manufactures its own products using state-of-the-art equipment and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest-grade raw materials and according to international quality standards to ensure they can withstand use in even the toughest laboratory environments.