Is restrike a myth? - Page 2
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Old 11-09-2007, 07:41 PM   #16
mistergreen
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Quote:
Originally Posted by puchisapo View Post
man, you know what i really wish somebody would make--i mention this because the spiral CF's would be the right kind of bulb--is a reflector that creates a spotlight beam. a fixture thus equipped could be hung closer to the ceiling, permit less light to spill into the room and create a much nicer view from above of an open-top tank.

is there anything like that out there?
a really good spot light?
You see them in museums and such... Looks pricey.
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Old 11-09-2007, 11:42 PM   #17
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Originally Posted by fishscale View Post
.... I would say that restrike exists, but that it is trivial.
Exactly my point. So we are in agreement on this.

One more point to make: Go Bucks! Beat M*******!

Jim
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Old 11-10-2007, 01:34 AM   #18
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Interesting book on #3
http://books.google.com/books?id=JoELZdSUzKEC

A little over my head lol, but I'm wading through it...
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Old 11-10-2007, 02:07 AM   #19
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Originally Posted by jbolinger View Post

One more point to make: Go Bucks! Beat M*******!

Jim
Hey fishscale, it looks like we might have a little rivalry with a few people on the board here! Go Blue!

Sorry for the hijack
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Old 11-10-2007, 02:24 AM   #20
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bulb Lumens/watt Eq T12 watts
T12 58.9 1
T10 62.3 1.06
T8 91.1 1.55
T5 104 1.77
T5HO 92.6 1.57
MH 84.1 1.43
CF 79.4 1.35

Runs cooler, better profile for parabolic reflectors, nearly the same cost, make t5/linear better imo.

from Sylvania catalog

Compact Fl. lamp (Dulux-L), 40W, T5, CCT=4100K, CRI=82, length=22.6",Initial >lumens=3150

Similar lamp - 55W - 4800Lm
Pentron High output T-5 39W, 36" 4100K, CRI=82, 3500 Lm
Octron 700 series lamp 40W, T-8, 60" length, CCT=4100K, CRI=75, 3550 Lm,
Octron 800 series lamp 40W, T-8, 60" length, CCT=4100K, CRI=82, 3775 Lm,

That just initial lumens, take into account better reflectors and heat
Also as Fishscale mentioned, this is almost certainly total output not taking into account restrike. So 10% less light just from the two sides being close.....
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