A lens attachment placed in front of a camera lens to permit taking pictures at a closer distance than the camera lens alone will allow.

A lens attachment used in front of the camera lens; pictures then could be taken at a closer distance than normal. (see Extension tubes & Macro)

A supplementary lens that is placed over a camera lens to shortens its focal length and therefore produce closer-than-normal focusing.

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.

see Close-up attachment.