A focus-fed reflector is a type of lighting technology used in various applications, including photography, theater lighting, and automotive lighting. It is designed to reflect light and focus it onto a particular area, providing concentrated illumination. There are several synonyms for the term "focus-fed reflector" that are commonly used in these different contexts. These include "mirror reflector," "projector lens," "concentrator lens," "parabolic reflector," and "collimating lens." Each of these terms refers to a specific aspect of the technology and the way it works to provide focused, directional lighting that can be customized to suit specific needs and applications.