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Well, I order some LEDs to try and duplicate rmann's setup, but I went for the 6500K version after looking at the spectral emission chart. Looks like the same blue, but more in the green. Should work well with the multigrade filters. For the time being I'll use under the lens filters since I can't find any big enough to fit the filter drawer.
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This is encouraging for those of us using Aristo Cold lights, I think. We are awaiting one final production run on various forms of the V54 lamp (which, at my age, I would just as soon stay with).
I'm not so good at electronics, or designing this kind of "rigging up". Does anyone have any feel as to how this might work with an Aristo head?. The one is use is a single bulb, with a 6" filter drawer for a D2, and I also have an old standard Aristo head, that came with the original HI lamp. Could either be converted like this?
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I don't see why it would be different. You may need to work a little on the right distance from LED's to the diffuser to get even light distribution. The E3 I did convert is rather compact, so I used two diffusion plates because of the limited height of the head. Also, because you are doing 4x5 you may need fewer LED's which would lower the cost, or you could space them closer together for a brighter unit.
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I'm really thinking that I could hybridize this with the Beseler 23 modification...I didn't like the idea of strip LED's, so these socket forms are the ticket. Now all I need is an unused enlarger...and a place to put a third one.
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