Parabolic Umbrella Photography Profoto Umbrella M Diffuser Turns Umbrella M White And Silver Into Large Softbox P354665g Photography Umbrella Lighting The relay has 4 delay modes that can be set, which can be set by digital dialing to make the setting more accurate. Using digital dial setting, the delay accuracy is 1%, and the repeat accuracy is 0.2 Reduces the output by 1. 5 stops. Used Profoto 34 White Umbrella - #100611 / 505-601 SKU# 1294451 100611 Compatible with the Umbrella Deep White XL and the Umbrella Deep Silver XL. 16 glass fiber rods for a parabolic shape and a more even light spread. Features: For Extra Large Deep Umbrellas Reduces Output by 1. 5 Stops Compact, lightweight and extremely portable. Very easy to use. Profoto Umbrella Deep Silver Large (51/ 129.54CM...