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Thread: Commonly Used LED Emitter Index

  1. #91
    Flashaholic* AFAustin's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Craig,

    You have been a great help. Thank you.

    So, do you think the bit of green around the emitter definitely means it's an XP-G, or is there still some question? Put another way, has there ever been a Rebel with green on the board?

    Thanks,

    Andrew
    You can say any foolish thing to a dog, and the dog will give you this look that says, "My God, you're right! I never would've thought of that!" (Dave Barry)

  2. #92
    Flashaholic* csshih's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Hi Andrew,

    Did a bit of research - from a 2009 post of a Rebel 100 Peak it appears there is no green visible in the optic see: http://www.lygte-info.dk/review/Review%20AAA%20UK.html (I believe the green reflection is from something behind the camera as it's visible in the 3rd picture.

    So, I'd say XP-G. enjoy the light regardless!

    Craig

  3. #93
    Flashaholic* AFAustin's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Craig, thanks for going to all that trouble. Yep, that great Eiger Rebel front-on shot is completely "green-less".

    Sounds like the jury's verdict is "XP-G".

    Thanks again,

    Andrew
    You can say any foolish thing to a dog, and the dog will give you this look that says, "My God, you're right! I never would've thought of that!" (Dave Barry)

  4. #94

    Default Re: Commonly Used LED Emitter Index

    very useful information for reference in learning LEDs, grateful for that. I've got a question here that when making the light for Diving, is there any special request for the emitter?Since diving is different from the common situation, the shape design and materials for light calls for high quality and good water resistance, but for the LED emitter, any special request? Any suggestion will be appreciated. Thanks.

  5. #95
    Flashaholic* csshih's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by 87james View Post
    very useful information for reference in learning LEDs, grateful for that. I've got a question here that when making the light for Diving, is there any special request for the emitter?Since diving is different from the common situation, the shape design and materials for light calls for high quality and good water resistance, but for the LED emitter, any special request? Any suggestion will be appreciated. Thanks.
    tint might come into question for underwater use, but I'm not sure what you'd need!

    C

  6. #96
    Enlightened bigterk's Avatar
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    Default Re: Commonly Used LED Emitter Index ,sst90 reflectors

    Does anyone have info on tight spot reflectors that can be used with SST-90 emitters ? One of my first projects is going to be based on that emitter. I need some examples of reflectors so I can machine a housing to hold the LED, reflector, window, and incorporate a heat sink. I plan to machine the housing/ heat sink from a chunk of copper. I am hoping to have a part that is functional, ( Thermodynamically sound ) and attractive.

  7. #97
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    Default Re: Commonly Used LED Emitter Index ,sst90 reflectors

    I found that the Luxeon Rebel in Maglites have better tint than Cree chips...

    Some of my Cree chips (XRE, XPG and XML) are greenish, and some are blueish its hard to find one with good tint, but both the XL50 and the AA have a near perfect pure white tint.

  8. #98
    Unenlightened DP Hunter's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by nanotech17 View Post
    sorry out of topic a lill
    Hi,are you the same wintermute that have been lost & found
    Hey Nanotech - nice flashlight - it must be the one all my taiwanese buddies decided to knock off and sell me - I have several different versions of it.

  9. #99

    Default Re: Commonly Used LED Emitter Index

    Thanks so much for putting all this info into one spot! very well done.

  10. #100
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    Default Re: Commonly Used LED Emitter Index

    This thread is a nice thread. Great posts are shared in it. I think it will more helpfull to people.

  11. #101

    Buttrock Re: Commonly Used LED Emitter Index

    Hi! new to CF... I want all of these LEDs!

  12. #102
    Enlightened okenobi's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Loads of great info in this thread, but I'm trying to find something simpler if possible. Do we have a list anywhere up to and including the the XP-G2 with just a brief explanation of the characteristics/performance of each LED and perhaps a way to compare them?

    I've read all of this and I still feel unable to know what LED is in my current light and how it would compare to the currently available options. Am I missing something obvious...?

  13. #103
    Flashaholic brted's Avatar
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    Default Re: Commonly Used LED Emitter Index

    There is a little more info at Flashlight Wiki, but not everything like viewing angle, Vf, etc.:

    http://flashlightwiki.com/Cree

    http://flashlightwiki.com/Brightness_Bins

  14. #104
    Enlightened okenobi's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by brted View Post
    There is a little more info at Flashlight Wiki, but not everything like viewing angle, Vf, etc.:

    http://flashlightwiki.com/Cree

    http://flashlightwiki.com/Brightness_Bins
    Perfect and easy. Thanks!

  15. #105

    Default Re: Commonly Used LED Emitter Index


  16. #106

    Default Re: Commonly Used LED Emitter Index

    That was very helpful, as I am trying to get a flashlight with the most recent generation of led. I saw an ad recently for a gen 2 led. What is the most recent generation of led to look for? Thank you.

  17. #107

    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by KSDeputy View Post
    That was very helpful, as I am trying to get a flashlight with the most recent generation of led. I saw an ad recently for a gen 2 led. What is the most recent generation of led to look for? Thank you.
    Of course I am no expert, but going through the cree site it looks like the XM-L2 is their latest and highest performing single die LED. Not sure if I am reading it right, but it appears to be 1198 lumen at just 3A. I could be wrong though.

  18. #108

    Default Re: Commonly Used LED Emitter Index

    This looks like it needs updating pretty badly lol
    Full Size: Quark AA/^2 Tactical (Neutral White XP-E), Surefire 6P w/ NB XP-G (4000k), QTL (XP-G)
    Small Lights: L3 Illumination L10 (Nichia 219)

    Support Systems: LaCrosse BC-900 NiHM and SheKor Li-Ion Chargers

  19. #109
    Flashaholic* subwoofer's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by jcw122 View Post
    This looks like it needs updating pretty badly lol
    Who is up for that challenge? jcw122, were you volunteering? (I don't have the time due to other commitments, but always found this an interesting thread)
    Subwoofer - Objective and Honest reviews
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  20. #110

    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by subwoofer View Post
    Who is up for that challenge? jcw122, were you volunteering? (I don't have the time due to other commitments, but always found this an interesting thread)
    No I'm looking to start another list-reference type thread soon for warm lights, so I'm hoping to be focusing on that.
    Full Size: Quark AA/^2 Tactical (Neutral White XP-E), Surefire 6P w/ NB XP-G (4000k), QTL (XP-G)
    Small Lights: L3 Illumination L10 (Nichia 219)

    Support Systems: LaCrosse BC-900 NiHM and SheKor Li-Ion Chargers

  21. #111
    Flashaholic JulianP's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Hopefully the OP is still getting email updates.

    Dear OP, please update this thread for us helpless mortals.
    Malo odiat lux (Latin proverb - Evil hates light)

  22. #112

    Default Re: Commonly Used LED Emitter Index

    Thanks and congrats for the post! It was very informative!

  23. #113
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    Default Re: Commonly Used LED Emitter Index

    wow. been searching for LED Emitters in the web and nothing compares to the info here. Thanks a lot.

  24. #114
    Flashaholic* Got Lumens?'s Avatar
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    Default Re: Commonly Used LED Emitter Index

    This is a great resource.
    Thanks Craig and to all those that have provided updated info and photos .

    I have a question. Is this one of those non-listed no-name LED's you have spoke of?
    It has four bonding wires, but the phosphrus is so thick and the die sits so deep, I can't tell. I was able to get an approximate die measurement using the optical software used to take the photos, and it appears to be about ~1mm square. It is a low powered LED, purchased installed in a flashlight only 3 years ago

    Thanks
    GL

    .

    .
    Click to Enlarge

  25. #115
    Capolini's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Nice job Craig!!

    Remember me?[How could you forget!!!] I talked to you on the phone about 70,000 times! I ordered the Black Shadow terminator, NO-OX-ID and a few NitecoreI4 from you. I live near Valley Forge, Pa.

    That is my Husky[the pic.] when he was 10 weeks,the day I got him1

    Finally, Today,,,,,,I get the "New" TK-75!

    I need help !!! I have been out of work since 7.17.2013 and have bought Two lights since then, one from you [BST] and the TK-75 that I got today!

    ciao,,,,,,Roberto,,,,"Capo di Capo"

  26. #116
    Flashaholic* snakebite's Avatar
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    Default Re: Commonly Used LED Emitter Index

    looks a lot like the generic china clone emitters or maybe edison opto edixeon?
    Quote Originally Posted by Got Lumens? View Post
    This is a great resource.
    Thanks Craig and to all those that have provided updated info and photos .

    I have a question. Is this one of those non-listed no-name LED's you have spoke of?
    It has four bonding wires, but the phosphrus is so thick and the die sits so deep, I can't tell. I was able to get an approximate die measurement using the optical software used to take the photos, and it appears to be about ~1mm square. It is a low powered LED, purchased installed in a flashlight only 3 years ago

    Thanks
    GL

    .

    .
    Click to Enlarge

    i am always looking for old radios and tv sets.tube stuff.ham gear.i repair all the above.
    email me for more info. SPAMMERS WILL BE PUNISHED!

  27. #117
    Flashaholic* subwoofer's Avatar
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    Default Re: Commonly Used LED Emitter Index

    Quote Originally Posted by jackie sanli View Post
    Real good article
    But can u please tell us about what are led grow lights.
    It is usually better not to quote a really long post, it makes reading the thread pretty frustrating. Can you cut it down to just the bit you are querying please.
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  28. #118

    Default Re: Commonly Used LED Emitter Index

    great info!

  29. #119

    Default Re: Commonly Used LED Emitter Index

    Wow didn't know that Nichia were that old

  30. #120
    Flashaholic
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    Default Re: Commonly Used LED Emitter Index

    Great information and photos. Thanks!
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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