An attachment placed in front of an ordinary lens to allow focusing at a shorter distance in order to increase image size.
(1) An attachment lens that fits on the front of a camera lens, allowing photography at closer distances than than normal for that lens. (2) Also refers to a "Macro lens" - a camera lens that permits macrophotography.
Lens that allows close photography; also called a macro lens.
A lens attachment that permits a lens to focus closer than normal. Usually sold in sets, with each close-up lens a different strength for focusing at varying distances.