I'm surprised that two speed lights lit up that whole umbrella and was that bright.
Very nice shot
That's the reason why I sold my Elinchrom RX One. With my 4 YN560III I'm more flexible and I got more power. With the right light modifier you can get more light than a bare speedlight because the spill is reduced. I tested many parabolic umbrellas with speedlights and this one I used has nearly a perfect parabolic shape: https://www.dropbox.com …105cm_dslr-forum.jpg?dl=0![]()
So there is a focal point (~19cm...23cm) in the umbrella. If you place a speedlight (bare or with diffusion cap) there, the whole modifier is lit and you get the most light output: https://www.dropbox.com …ep_umbrella_dual.jpg?dl=0![]()
I built a dual flash bracket that both speedlights are getting close to the focal point. At full power with two speedlights you get about f/22 + 0.33EV; ISO100 in 1.5m distance with no diffusion sock. Quiet enough for all situations. The sock is eating up about 1 EV (EDIT: 2 EV, 1 EV was wrong). Here is the selfmade bracket: https://www.dropbox.com …/03_dual_bracket.jpg?dl=0![]()
I tested various distances, speedlight brackets and umbrellas. In the German www.dslr-forum.de
you can find about 60 pages just about the parabolic umbrellas. There I posted most of my knowledge. And on my website (http://flopix.de
) you can find a sheet with different distances in one 60" umbrella with a quad bracket that shows the light reflex. Not much flexible as a Broncolor Para but also quiet nice (especially for speedlights).
Do you mind if I ask how you got the warmer skin tones....... gel? local pp? Also I'm interested in where you obtained your umbrella. With the right bracket would there be any reason 3 speedlights wouldn't fit? Great photo, thank you sir
Good point but I don't like uneven numbers.
Makes the calculation more complicated. But I also built a quad flash bracket: https://www.dropbox.com …V0MgcmTz3rASjP4-LzDJ8AXWg![]()
https://www.dropbox.com …AXgU5OW4myU4UJD2HGSeyte7w![]()
https://www.dropbox.com …sOqAJQhej8zrBoskhhgsBtf3Q![]()
The problem here is: it's heavy and that's the reason why the design is like it is: it balances out the weight of the bigger umbrellas and the four speedlights. The disadvantage is that you not getting that close to the umbrella shaft. But I'm quiet happy with that for umbrellas starting at 60" of size.
For the photo above I did not use any gel. And of course no local color adjustments, just global fix for warmer colors and RAW development.
I got my umbrella from alibaba.com: it's called "new product deep parabolic Studio Umbrella manufacturer china phtography" and the vendor is MingXing. They are quiet similar to the expensive Profoto deep umbrellas for what I can judge regarding to their product photos.
Hope that all helps a little bit. Cheers!










