Yay, Cherrybomb 100 arrived this morning.
I'm quite liking it so far:
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+Possibly brighter than Sigma Buster RL 150, or maybe more noticeable
+Flash pattern is very good
+Mounting strap is quite robust
-Angle adjustment is a bit dodgy, but the curved front means it's probably not an issue
-Have to cycle through 4 modes each time: no last setting store.
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So I put my Bertin frame on a garden table and strapped on the Cherrybomb 100 (top) and the Sigma Buster RL 150 (bottom, 150 lumens supposedly).
Here's what it looks like from 10 feet (80mm lens)
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https://drive.google.com/file/d/1K-I3S4CVtVWKC_5kYPKrXaNT0fOBFjW6/view?usp=drive_link
To me the Cherrybomb (top) looks more noticeable
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And here's the view from 30 feet:
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Edit: That's using the supplied alkaline 1.5v batteries.
Edit2: Sigma on day flash, Cherrybomb on fast flash. So both on "day flash" equivalent.
BTW. Probably don't buy batteries from Aliexpress.
12800 mWh
https://www.aliexpress.com/item/1005008490712108.html
Although they do list Xtar which are probably ok but the same price as UK.