Right at the top on the page with weekly Lux builds we find:

*The LuxRender team is pleased to bring you the third (and last?) pre release of the upcoming 0.7 version.

Based on feedback from the first 2 pre releases, we've fixed a whole lot of bugs and polished the GUI and LuxBlend exporter. I want to thank the whole dev team for its commitment to improving LuxRender. We're not aware of any major bug left, please report any in Mantis. 

So we can assume the way how Lux works now is "the last word" (especially this camera problem)

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