3 watt or 5 Luxeon?

Bravo25 · Aug 12, 2005

Is a 3 watt or 5 watt more preferable, and why?
I have tried to find a comparison between Nuwaii 5 watt and the SF L4, and haven't had much luck. I am still interested in trying one of these lights, but I have not settled on which one.

Paul_in_Maryland · Aug 12, 2005

5W. You can carry more cells to make a 5W last longer. But you can't do much to make a 3W deliver more light.

cheapo · Aug 13, 2005

3w... usually gets more throw than a 5w, it has better battery life (depending on how hard it is driven, and on how many cells), and it is smaller, so it'll fit behind optics.

-David

Luxman · Aug 13, 2005

3W - I 2nd what cheapo said...runs great on 1 or 2 cells. /ubbthreads/images/graemlins/smile.gif

Haesslich · Aug 13, 2005

K2 - get the throw and voltage requirements of the 3W with the greater output of the 5. /ubbthreads/images/graemlins/grin.gif

wmpwi · Aug 13, 2005

I must have slept through that class. What exactly is K2?

greenLED · Aug 13, 2005

K2= The new Lux emitter from Lumileds

Paul_in_Maryland · Aug 13, 2005

Developments like the K2 are one reason I'm focusing my funds on xenon lights for now; they won't get much better or cheaper. LED lights, on the other hand, are improving by leaps and bounds.

TORCH_BOY · Aug 13, 2005

3 Watt, takes less voltage to run
can focus down to a tight hotspot
easy to obtain and not as pricy

NikolaTesla · Aug 13, 2005

5 watts are soon to be obsolete. K2 is coming.

balazer · Aug 30, 2005

When are K2s expected to become available? I'm trying to decide if I should mod with a Luxeon III or wait for the K2.

Pi_is_blue · Aug 30, 2005

I believe that the release of the white K2 luxeons was pushed back to the summer of 2006, so I wouldn't wait around for them.

john2551 · Aug 30, 2005

Bravo25 said:
Is a 3 watt or 5 watt more preferable, and why?
I have tried to find a comparison between Nuwaii 5 watt and the SF L4, and haven't had much luck. I am still interested in trying one of these lights, but I have not settled on which one.

Nuwai makes A LOT of 5 watt lights from 2 cell cr123a versions to a big 4 C cell version. What model are you referring to?

andrewwynn · Aug 30, 2005

K2s will likely not be available 'til Q2 of 06.. you can find a lot of info about them here: http://k2.rouse.com

Pwdrkeg · Aug 30, 2005

Go with a 5 watt variable like the U2. If you need run time, turn it
down. If you need more light and throw, turn it up !

.....

Dae · Aug 30, 2005

Generally speaking, dif manufacturers have dif standards, so it's hard to tell. But I think most people prefer 5W, me too!

TorchMan · Aug 30, 2005

I'l take the the Lux 3, for the tighter spot = better throw and the longer life of the LED. I've seen Lux 5 ratings for 1000 hours. Probably more than I'd ever use a light, but still, 10,000 or more sounds so much better. No donut hole either, although I rarely notice it in real world U2 usage.

ChopperCFI · Aug 30, 2005

I like the 5W versions only because there are more flood beam options. I would actually prefer some sort of LS flood beam at a lower intensity with 4+ hours of runtime. Something like an LS version of the X5T. As far as I know, that still doesn't exist.

Since you mentioned the L4 in your original post, take a look at the Nuwai 2x123A Luxeon V (TM-301X-5) review. Comparable beam for a lot less money.

3 watt or 5 Luxeon?

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