An ellipsoidal reflector spotlight
, profile spot
, or condenser
spot having a variable focal length
, often a field angle
range of 15°-30°, and 25°-50°. Zoom Profile
s) are much more popular in Europe than in the US.
Also a functional of most higher-end hard-edged moving lights, often expressed as a ratio (4:1 zoom).
A popular TV show for pre-teens in the 1990s, produced by Boston PBS affiliate WGBH, Boston, Mass, 02134.