The amaran Fresnel is a compact Bowens Mount fresnel attachment designed to amplify and shape the light output of the amaran Ray 360c or amaran Ray 660c lights. With a large 9.6-inch (24.5cm) diameter lens, wide 15 Degree -45 Degree spot-flood beam angle range, and included 4-leaf BarnDoors, the amaran Fresnel adds reach and greater precision to your studio lights.Up to9x the light outputThe amaran Fresnel intensifies light output dramatically-upto 9 times with the amaran Ray 360c (upto 18,110lux3m) and upto 7times with the amaran Ray 660c (upto 31,700lux3m), while maintaining smooth center-to-edge falloff.Wide15 Degree to45 Degree spot-flood rangeTwist to tighten the beam to 15 Degree for a concentrated punch or widen to 45 Degree for broader, even coverage. Whether you're highlighting a subject or need more throw, the amaran Fresnel's adjustable beam quickly adapts to your shot.Shape your light with Barn DoorsFor precise light shaping and cutting, the included adjustable 4-leaf Barn Doors help you sculpt and shape your light effortlessly. Plus, quickly eliminate unwanted lights pill and limit the direction of your light output..