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Thread: : Data projector bulb costs
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face BY : Russell McMahon email (remove spam text)



Can anyone suggest a reasonable reason for the cost of bulbs for data
projectors. These seem to range in price from utterly laughable to
entirely unbelievable.

While the bulb needs suitable characteristics including, presumably,
proper spectral output, good lifetime, good source shape (suitable for
expanding by optics to a linear illumination field) and more, there
characteristics seem similar to what has been required from other
optical projectors in the past. The bulbs generally have related
optics but these should be reusable with a new bulb, especially so if
the bulb dies early in its expected lifetime.

Is this just a concerted ripoff or am I missing something.

if the former, has anyone had any success in adapting other bulbs for
DP use?




       Russell

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