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Re: Vita Lights vs. Chroma 50
On Tue, 26 Jan 1999, Richard J. Sexton wrote:
> Know the difference between a Vita Lite and a Chroma 50 ?
> About $15.
> The difference is so small it's unmeasurable. At least that's
> what I've been told. I'd love to hear you're actually getting
> something for all that extra money, but it sounds like a dimished
> return to me.
It may be a diminished return, but there are serious differences in the
actual spectrum of the tube. I've looked at both through a diffraction
grating (Thanks Wright!). The Chroma-50 is essentially a tri-chromatic
tube with not a lot of power in between the spikes. The vita-lite has
some trick for "smearing" more of the color in between the peaks, which is
why it has such as high CRI.
Personally, I use the cheaper tubes now, because I can't see the point of
spending an extra $10 US ($15 CDN) either. Just saying there *is* a
difference in the actual tube.
erik at thekrib dot com