Plano-convex lenses is the most common type of lens element. It can be used to focus, collect and collimate light. It is also useful as a simple imaging lens where image quality requirement is not too ...

Plano convex lenses, Plano concave lenses, Bi-convex lenses, Bi-concave lenses, meniscus lenses, achromatics lenses, ball lenses, aspheral lenses and cylindrical lenses Specifications: Material: Bk7, ...

The lenses can be made either from a liquid-air or a liquid-liquid interface. Dharmatilleke and co-workers have been able to make two types of lenses with their technique: “bi-convex” lenses, in which ...

Galileo's device was a 20-magnification instrument that used a convex objective lens and a concave ocular lens. This design was the only real workable telescope of the day.

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 ...