On 15 Oct 2006 07:43:59 -0700, wrote:

A 24v bulb is likely to be a 28-29v bulb in reality, running this on
21v will give a very poor result. OP needs to tell us if the 24v
reading is under load or not. If its with no load, OP needs a 21v bulb,
anything else will just be crap. Depending on the type of psu, it may
be possible to change the output voltage to suit other bulbs
voltage-wise. Whether they will have the right optical situatoin is
another matter.


NT

Then one is "second guessing" the lamp specifications, the
manufacturer specifications, and the ops application.

To make a really good "informed judgment" one would have to know how
the manufacturer originally intended the lamp to work - perhaps they
were sacrificing some life to add better color rendition.

Anyhow the op may be transferring film to video or digital.

He states: "Looking to power a mini halogen bulb to do film capture."

That could easily mean transferring film to digital (or tape). If it
is done via computer he could just as easily adjust the white level /
color temp, as fiddle with the hardware.

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