Shanghai Optics manufactures high quality plano-convex lens; optical lenses with a positive focal length. These all-purpose lenses are available in a wide variety of sizes, substrates, and coatings, ...

We compare and contrast concave and convex lenses by drawing ray diagrams. In this Closer Look segment on Lenses, we compare and contrast concave and convex lenses by drawing ray diagrams and ...

A double-convex lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Convex lenses are most suitable where the object and image are on opposite sides of the lens, and are ...