Special lens

from Wikipedia, the free encyclopedia

In photography, a special lens is an interchangeable lens that has been designed for a specific purpose; the term stands in contrast to so-called normal lenses or universal lenses .

Special objectives are for example:

There are also manufacturer-specific or unusual lens constructions such as B. Smooth Trans Focus Lenses (STF), Defocus Control Lenses (DC) or lenses with the function of a variable field curvature (VFC).

Moderate telephoto and wide-angle lenses are rarely referred to as special lenses today.