This amaran Fresnel is an adjustable 15 to 45° Fresnel modifier that fits the separately available 360c and 660c lights. It employs a 9.6" glass lens design to amplify the light output. At 9.8', it produces up 18,110 lux with the Ray 360c or an impressive 31,700 lux when combined with the 660c (both at 4300K, 15°).