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Re: Flash fill Joshua Tree (gels) on Milkyway Galaxy
Sure no problem.. I had 4 580exII's and one ST-E2 master unit all equipped with RadioPoppers. For this shot I used just 2 flashes, the blue flash was on a light stand at full height - maybe 10 feet and on my right. I set the flash head at an angle with the intent of filling the long side of the JT and foreground. I manually set the flash to 80mm. The green flash was on a tripod to my left just above camera height and aimed to overshoot the top of the JT as I could easily overpower the subject even at 1/4 power. This one was set at 35mm to concentrate the light energy for a strong highlight.
Now I thought I was going to second curtain sync this exposure, but it turns out that is only possible with the flash on camera and no 'off camera' (wireless set) flashed enabled. So after cycling between manual and ETTL and think I ended up in ETTL with flash exposure compensation (minus 2 stops). With a 580exII as the controller I would have more options but since I had them on standby with other colors (gels) mounted and it was getting late I just went with it.
I would have liked to set white light flashes about 300 yards out to illuminate that middle ridge, full power, full wide (24mm) but working alone in snake country at night I decided to minimize risk.
I must admit I felt a bit odd packing up light stands and merging all my gear into a pelican 1600 for the road, but now I'm really glad I did and I'm literally ready to drive 2 hours into the heat for some more exposures!
Anybody in the general area feeling adventurous? I think it would be super cool to meet at a Jumbo Rocks and then set out into the dark to make art. Astronomy shooters, the sleepless, Nikon, all welcome! I can always manually fire the flashes for your compositions.
-Shea
Here is one several hours earlier:

For this one Palm Springs provided the background light and my 'surprised it worked' truck Maglight became my paintbrush. This is about the time I started to realize just how clear the sky was and that I could work the gaseous stars into my compositions.
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