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Site Admin |
Joined: Tue Dec 08, 2009 10:43 am Posts: 5266
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Vivitar HV's and WL ultras are two different animals. The modification in the HV's is tapping into the existing components, and basically adding a manual adjustment where the sensor is for its automatic adjustment. This technology is adjusting the flash duration to adjust the amount of light, while keeping voltage the same. The Ultras adjust voltage to adjust output, and while the X-series lights incorporate a 1/4 power switch, it is not in the design of the Ultras to do so. We do not offer any service to increase the adjustment range, nor do have any suggestions on how to do so.
TS
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