For those that don't know what a Briese parabolic umbrella looks like. Behind the scenes look. These parabolics go for about 15 to 20 grand new. They're used in very high end productions such as Victoria's Secret, Katy Perry, Lady Gaga, Vogue, etc. Character of light is unmatched due to the calculation of flash tube and shape of the parabolic and choice of materials.
Broncolor paras come close, but not in the same league as Briese. I've used both.
I own the Briese.
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The video is shown with the standard Briese flash power pack. I'm using the Broncolor Scoro S pack. Much faster (shorter flash duration) and far more reliable than even the best Profoto 8a packs. I also use a different flash tube - quite literally a mini ring versus the long tube. Has better shadow detail whereas the stock tube is good if you want a softer light.
If you're shooting anything fast action, the Scoro S is the ultimate flash pack. Profoto "advertises" their duration as 1/12,000 of a second, but that's to be taken with a iceberg sized grain of salt as they are using a t.5 (50 percent on to full, then down to 50 percent) measuring standard. Broncolor uses a t.1 (10 percent on to full, then down to 10 percent) which is much more accurate. At equivalent power, the Scoro is significantly faster than the best Profoto. I did some t.1 measurements with a Broncolor meter on the Profoto...let's just say that Profoto doesn't want the info getting out.
100 watt seconds for the Profoto has a t.1 flash duration of 1/1500 sec.
100 watt seconds for the Broncolor Scoro has a t.1 flash duration of 1/6000 sec.
800 watt seconds for the Profoto has a t.1 of 1/750 sec.
800 watt seconds for the Broncolor Scoro has a t.1 of 1/3000 of a sec.
And no, not even the Paul C. Buff Einstein can match the speed of the Broncolor Scoro S at the slightly higher power levels. At 640 ws, the PCB Einstein is 1/588 of a sec, t.1 time.
~300 watt seconds, Profoto 8a, t.1 = 1/1250
320 watt seconds, Paul C. Buff Einstein = 1/2000
300 watt seconds, Broncolor Scoro S = 1/6000
So a fast reacting pack, Briese Focus parabolics, Leica lenses and a fast camera (1Dx!) makes for an enjoyable photo shoot.