Often when you're in a location for a number of days shooting the same scene you need consistency in the lighting set-up. All the apertures available in the space are normally used to project light through. This is fine unless you want to see out the window you happen to be lighting through, in that case all the hardware and the light itself will compromise the outlook. To overcome this problem we have underslung 2 x 18k HMI lamps from the bucket of a knuckle boom. This allows us to lower the lamps until they're just out side the frame of the window. You can achieve maximum illuminance from the fixtures you have. We have developed a pulley system to retract the power feed cables along the boom of the bucket. Using this system enables the cable to be fed out no matter what the length of the boom arm.
