Hi all,
The one thing reoccuring when you look for specs for a decent lamp in a DIY projector project, is that it should produce at least 4000 lumen. MH is most recommended. However, these lamps require additional stuff like a ballast, a coil, ignition etc, are hard to get to get over here and cost a bit.
Yesterday I saw these energy saving bulbs based on TL technology (it looks like a bent TL-lamp). These produce up till 1500 lumen each. If I would simply mount 3-4 lamps like these, would that be a valuable replacement for MH lamps?
Thx already!
Bart
The one thing reoccuring when you look for specs for a decent lamp in a DIY projector project, is that it should produce at least 4000 lumen. MH is most recommended. However, these lamps require additional stuff like a ballast, a coil, ignition etc, are hard to get to get over here and cost a bit.
Yesterday I saw these energy saving bulbs based on TL technology (it looks like a bent TL-lamp). These produce up till 1500 lumen each. If I would simply mount 3-4 lamps like these, would that be a valuable replacement for MH lamps?
Thx already!
Bart
Nope.....multiple lamps wont be efficient. You'll have multiple point sources (not exactly point though) it will be way to hard to get to work
At least you know know before wasting the money on mutliple lamps. One other thing is the lumens you're looking at. You need a lamp that produces a lot more than 4000 lumens. Figure that the efficiency of the lcd is less than 10%. Most guys are using MH lamps in the 20,000+ lumens range.
It's an abbreviation that's used in Europe for these classic long white (I think fluerescent) lamps. They don't run hot and need an ignition device to get started. the last couple of years these are offered in smaller editions, because the glass tubes are bent back to the socket. These editions are referred to over here as "energy saving lamps".
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