Amaran Fresnel Light Modifier for Amaran Ray 360c and 660cThe 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 45 spot flood beam angle range, and included 4 leaf Barn Doors, the amaran Fresnel adds reach and greater precision to your studio lights. Up to 9x the light output The amaran Fresnel intensifies light output dramatically up to 9 times