XM-L2 U2 Tint

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Bacon n Eggs
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XM-L2 U2 Tint

Have a look. Both LED’s are same xm-l2 u2 1C from same US vendor. Both driven at 2 amps in the picture. Keygos M10 on left, Small Sun ZY-T 13 on right. Why so much difference in tint? Mix up in shipping?

Edited by: Bacon n Eggs on 03/04/2013 - 01:11
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Wow that is insane. The green tint on the right one is pretty noticeable.

PilotPTK
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Which “US Vendor”

If Illumination Supply, then I’m surprised there is that much variation. Cree standard binning leaves a lot to be desired, but it shouldn’t be that significant.

If Mouser, then I’m not at all surprised – Mouser doesn’t have the U2 in 1C – they have a U2 tint group that includes 1C, but could be 1A or 1B as well.

PPtk

Edit: Looking more closely, that might actually be an LT6 (Neutral T6) on the left and a U2 (Cool U2) on the right. That’s a pretty significant difference in tint and the one on the right appears to be a bit brighter as well.

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texaspyro
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Playing with the Sphere ‘o Many Mysteries I have seen some rather unexpected tint shifts due to the reflector. The CCT can shift a few 100 degrees K just by adding/removing/changing the reflector.

relic38
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Does the ZY-T13 have a green lens sealing ring?
I have noticed green tint on my lights with a green gitd O-ring on the lens.

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Slim Pickens
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I’ve observed that reflector profile can impact tint significantly with the XM-L. However, the one on the left looks neutral, and may well be due to a mixup. Looking at the two emitters, does the emitting surface of the XM-L2 in the M10 appear more yellow than that in the SmallSun?

whokilledJR
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Perhaps the one on the left is the xm-L2 3C and not the U2?

gords1001
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The one on the left looks a comparable tint to my running nw xm-l2

Bacon n Eggs
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PilotPTK wrote:
Which “US Vendor”

If Illumination Supply, then I’m surprised there is that much variation. Cree standard binning leaves a lot to be desired, but it shouldn’t be that significant.

If Mouser, then I’m not at all surprised – Mouser doesn’t have the U2 in 1C – they have a U2 tint group that includes 1C, but could be 1A or 1B as well.

PPtk

Edit: Looking more closely, that might actually be an LT6 (Neutral T6) on the left and a U2 (Cool U2) on the right. That’s a pretty significant difference in tint and the one on the right appears to be a bit brighter as well.

Both are from Illumination Supply. I’m new to this thats why I’m asking. I dont think there was a vendor error as it was I.S.

Bacon n Eggs
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relic38 wrote:
Does the ZY-T13 have a green lens sealing ring?
I have noticed green tint on my lights with a green gitd O-ring on the lens.

No green sealing ring on the zy. The camra makes it look more green than to the naked eye.
Bacon n Eggs
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Slim Pickens wrote:
I’ve observed that reflector profile can impact tint significantly with the XM-L. However, the one on the left looks neutral, and may well be due to a mixup. Looking at the two emitters, does the emitting surface of the XM-L2 in the M10 appear more yellow than that in the SmallSun?

Slim I will look at that when I get home from work :bigsmile: 6hr’s to go….. Tired I will do another picture w/o reflectors too. My HD2010 is here too so I will have to check it out when I get home from work. Party
Ouchyfoot
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whokilledJR wrote:
Perhaps the one on the left is the xm-L2 3C and not the U2?

That was my first thought. It’s definitely not CW.
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Bacon n Eggs wrote:
Slim Pickens wrote:
I’ve observed that reflector profile can impact tint significantly with the XM-L. However, the one on the left looks neutral, and may well be due to a mixup. Looking at the two emitters, does the emitting surface of the XM-L2 in the M10 appear more yellow than that in the SmallSun?

Slim I will look at that when I get home from work :bigsmile: 6hr’s to go….. Tired I will do another picture w/o reflectors too. My HD2010 is here too so I will have to check it out when I get home from work. Party

Ive noted the same differences, especially with XML tint changes between reflectors.
jmpaul320
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the one on the left looks like NW to me XML2 t6 3c? or 4c? maybe

Would you mind keeping the wrong flashlight?
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Bacon n Eggs
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I have my best man on the problem. Will know soon Wink

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For comparison, here’s a side by side T5 vs U2. You can see the difference in color of the actual emitter. And these 2 lights have beams just about the same tint as those 2 you show.

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Bacon n Eggs
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Here is the same 2 but reflector on the zy-t13 has been removed. Our internet is down so I’m using my phone and it is painfull lol. XM-L2 U2 1C in the zy still looks green