Thank you Sandy. As always Sandy stands behind his product and I appreciate and applaud his service. I am looking forward to the 'double baffle' change. While I do make the effort to shield the holder as best as possible from light, either by shading it with my body and the dark cloth ( in this case a BTZS, and sometime a little bit tricker to creat a 'tent') I will focus more on this to minimize any issues. Any other tips/advice out there?