Lens luminaires in LED technology are in many different LED configurations available (warm white, cold white, dual white, RGB, RGBW, RGBAL, etc.). There are different lens technologies which generate different beams of light:
Fresnel spotlights - The front lens consists of a series of ring-shaped steps, the light cone is not clearly delimited and the light runs out gently at the edges. (light source also available equipped with bulbs - warm white or cold white)
The light beam can be restricted by barndoors.