Hello,
So, I picked up this head from eBay, an Aristo 5x7 cold light. The head has the older W45 bulb in it, and it looks like someone retrofitted it with the Zone VI sensor. If I upgrade to the V54 bulb, 57-LO-V54, which is available from Louis Kessler and the good people at VoltArc, is it ok to use the new bulb with the Zone VI sensor? I have a RH Designs Stopclock Vario which I will use with this head.
I have included some pictures.
Larry
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