The green colour shift on the fall off on my Intensifier, when using a 130b on a white wall, is absolutely terrible. Were you using it, testing it with a daylight led ? The green shift might be less noticable to the eye when not on a white wall but I am sure it would negatively effect skin tones. Also could you please tell me if you have tried using a nanlite fl-11 on your ifootage LEDs at all ?