A convex lens is thicker at the center than at the edges.Rays of light that pass through the lens are brought closer together (they converge). A convex lens is a converging lens. When parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.
Translation missing: en.product.form.price
- choosing a selection results in a full page refresh
- press the space key then arrow keys to make a selection