There are common lenses like wide-angle, macro, and zoom, as well as lesser-known specialty ones like the anamorphic lens.

and an aspherical lens element minimizes chromatic aberration. The Sirui AF 20mm T1.8 anamorphic lens is listed for $799 on ...

A movie camera lens that horizontally squeezes a wide screen image into a standard 35mm frame. When projected, an anamorphic lens stretches the 35mm frame horizontally and fills a wide screen.