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inconsistent flash output
Hello, I am using the Cognisys scout system with a pair of wired SB-28 flashes (modified connections) and a Canon 6D. The Scout trigger is working great. However, I'm finding that I will consistently have the first shot brighter than the second, and the second brighter than the 3rd. It appears that the flash output is going down progressively. I have attached an example. I was shooting in "burst mode" and switched to using a 0.5 sec pause between shots but I am still having the issue. Attaching example. Flashes are set at 1/2 and 1/4 power. Shutter is 1/160.
Thank you,
Zach
IMG_7083.jpg
IMG_7084.jpg
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Administrator
It sounds like you have either a weak flash or weak batteries. What kind of batteries are you using? Another product for short recycle times you might look for a Nikon SD-8A or one of the many Chinese copies.
nikon_sd8a_battery_pack.JPG
This will speed up recycle times.
Hope this helps.
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Hi Jeff, I'm using eneloop rechargeable batteries
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Administrator
Do both flashes have the same issue?
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Yes, the problem seems to have improved by increasing ISO and lowering flash power. I'm still working on finding a balance so that there is no decrease in flash output between shots.
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