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Thread: HDS 2700k High CRI interest thread

  1. #61

    Default Re: HDS 2700k High CRI interest thread

    Update on my use of the sm303
    I love this LED! I would do it again!

    I like my sm303 even better than my previous favorite, a nice pink 4000k N219b Nichia
    Here is why 3000k works so well for me
    I use 3000k incandescent light at home. So when I turn on my 3000k flashlight, the color is a close match. I like that, my eyes like that.

    If I turn on my 4000k light after sitting under 3000k light during the evening, the 4000k is a bit too blue, glaring, cool.. its also brighter, but I donít need brighter cooler light, for walking through the house after turning lights off to go to bed.

    I match my flashlight to the color temperature of my environment
    During the day, I prefer cooler LEDs, choices are good

    Im still very curious about the sm273 also, if you stay tuned I will share my impression, potentially before this group buy goes live..

    meanwhile, for my entertainment, here is what a minus green filter can do for a 219c.. watch the sm303 on the left
    no filter:


    yes filter:

    fwiw theres a 14% transmission loss w the filter, so if you put it on a 200 lumen light, the result is about 170 lumens.. not bad, if you want more pink, and reversible if you change your mind.. fun with filters!

    a note about white balance in the above two photos
    the camera is using the sm305 second from left, for its white balance, this makes the 4000k look relatively blue
    this is similar to what my brain sees when it is adapted to the incandescent lighting in my house

    this is not the same as comparing a 4000k led to sunlight white balance, which is above 5000k
    during the day, that 4000k Nichia will look pink, when my brain is adapted to daylight.

    if this is too much tint and color information, just try to ignore me.. I can't help playing the professor sometimes (well, most of the time)
    Last edited by jon_slider; 09-18-2017 at 10:34 PM.

  2. #62

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by jon_slider View Post
    if this is too much tint and color information, just try to ignore me.. I can't help playing the professor sometimes (well, most of the time)
    No! No! No! You are forbidden to stop these posts! Very informative and the tint porn is awesome. Just had to read that again to make sure I put the N in tint.
    I can't take a tint picture very well at all, but you my friend, do an excellent job at showing what the tints look like. I"m quite curious to get your impression of the 273. Carry on!
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  3. #63

    Default Re: HDS 2700k High CRI interest thread

    Interested in either with a preference if 3000k on the 219c High CRI emmiter

  4. #64

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by Hogokansatsukan View Post
    you my friend, do an excellent job at showing what the tints look like. I"m quite curious to get your impression of the 273. Carry on!
    Thank you Sir!:-)

    my sm273 R9050 leave Bali today, hoping to have a working test light to compare in about One HDSCalendarWeek (use 3x multiplyer to convert to RomanCalendarWeek )

  5. #65
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    Default Re: HDS 2700k High CRI interest thread

    Hogo- Put me down for a 2700, please. Rum, skull, campfire and all that. Love me some campfire. Yarrrrrr.....
    Last edited by scout24; 09-19-2017 at 08:14 PM.

  6. #66

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by scout24 View Post
    Hogo- Put me down for a 2700, please. Rum, skull, campfire and all that. Love me some campfire. Yarrrrrr.....
    Got my sm273 and 303 yesterday.
    Haven't got time to install one at the moment but hopefully won't be long.
    At this point I'm thinking I'll go straight ahead and put in the 2700K rather than experiment with both.
    Bring on the campfire.

    Edit.
    Ok, so I found some time and installed a 273 beautifully.... then it wouldn't turn on. Complete brain fart, installed the LED the wrong way.
    This is already the second LED swap on this light so I had to make an unnecessary third. Ignored the old rule measure twice, cut once.
    Anyway it was a serious pain as anyone with basic soldering tools and no professional experience knows.
    The good part, I fixed it and am probably the first owner of an HDS High Ember. Goes nicely with the orange cerakote.
    Last edited by F89; 09-26-2017 at 05:17 AM.

  7. #67

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by jon_slider View Post
    Thank you Sir!:-)

    my sm273 R9050 leave Bali today, hoping to have a working test light to compare in about One HDSCalendarWeek (use 3x multiplyer to convert to RomanCalendarWeek )
    I'm going to take a guess here and say you'll really like this LED.

    For me this is a niche light and not a general user, in that case the 3000K is probably better for general consumption or even more likely 4000 to 5000K or so but that's not the point here.

    If your LEDs are anything like mine, which I'm sure they will be, you'll end up with lovely pure golden tint with that evenness of colour that Nichia are so good at.
    It's not too yellow or orange, just a nice pure warm tint.

    The CRI doesn't blow me away, not to say it's bad at all, but I find that warm LEDs bath objects too much in that warm light that it really doesn't highlight the CRI like with the Nichia 219B in 4000 or 4500K or the High Noon sm573.
    The 273 makes the Malkoff M61WL (also a quality warm tint) look neutral as it's that next bit warmer.

    I'm surprised how clean the tint is actually but perhaps I shouldn't be due to Nichia's generally excellent performance.

    I really think this is the LED for this run unless Hogo goes both as it nails the whole warm and cosy campfire comfort effect to the drinking rum out of a skull thing.

    Anyway, as a neutral high CRI fan I'm really enjoying this High Ember.

  8. #68

    Default Re: HDS 2700k High CRI interest thread

    My sm273 9050, and some sw40 9080 LEDs were still waiting to clear Customs in Jakarta as of yesterday.

    I suspect it may still take another couple weeks for me to get an sm273 modded light back, to compare to the sm303 I have been carrying.

    I do not miss carrying my 4000k sw40, nor my 4500k sw45 N219b lights that I EDC'd prior to adopting the sm303 as EDC. Most of my flashlight use is in full dark situations and usually below 100 lumens. Imo the 200 max of an HDS is an excellent match for a Warm LED (3000k or less), intended for use as EDC primarily indoors and after dark.

    also imo, a warm HDS makes a good component of a kit that includes a 5700k High Noon option for those times when ambient light is cooler than incandescent. And not to be left out, Imo, a 4000k HDS High CRI would round out the selection for those times when 3000k is too warm, and 5700k is too Cool.

    Collect the all!;-)

    whether Im going to recommend the sm303 or sm273 will depend primarily on how I feel about the Tint of the two.. I will pick the one with less yellow, but, the two less are so close, that either one would fill the Warm Nichia niche.. stay tuned for pics..

  9. #69

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by jon_slider View Post
    My sm273 9050, and some sw40 9080 LEDs were still waiting to clear Customs in Jakarta as of yesterday.

    I suspect it may still take another couple weeks for me to get an sm273 modded light back, to compare to the sm303 I have been carrying.

    I do not miss carrying my 4000k sw40, nor my 4500k sw45 N219b lights that I EDC'd prior to adopting the sm303 as EDC. Most of my flashlight use is in full dark situations and usually below 100 lumens. Imo the 200 max of an HDS is an excellent match for a Warm LED (3000k or less), intended for use as EDC primarily indoors and after dark.

    also imo, a warm HDS makes a good component of a kit that includes a 5700k High Noon option for those times when ambient light is cooler than incandescent. And not to be left out, Imo, a 4000k HDS High CRI would round out the selection for those times when 3000k is too warm, and 5700k is too Cool.

    Collect the all!;-)

    whether Im going to recommend the sm303 or sm273 will depend primarily on how I feel about the Tint of the two.. I will pick the one with less yellow, but, the two less are so close, that either one would fill the Warm Nichia niche.. stay tuned for pics..
    I wouldn't have been surprised if I found the 303 technically better and that's part of the reason I didn't experiment as I didn't want to be swayed from my goal of ultimate warmth and there's no doubt that the 273 doesn't take it to the next level.
    As I posted, for a warm LED I'm really happy with it's tint and how smooth and even it is. Not sure if I got lucky or it's just the usual Nichia goodness but either way I see this light as the polar companion to the High Noon and in that think the 273 is the one for that spot rather than the 303.

  10. #70

    Default Re: HDS 2700k High CRI interest thread

    I'm interested in a 2700k. Any ideas on when these would be available?

  11. #71

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by moltenmag View Post
    I'm interested in a 2700k. Any ideas on when these would be available?
    If it happens, it wonít be until probably January.
    Thor's Hammer Custom Leather
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  12. #72

    Default Re: HDS 2700k High CRI interest thread

    I just received a UV light, so I decided to shine it on my sm303 High Ember LED. This pic turned out close to what I see with my eyes btw, with the recent fixes to photobucket, here are a couple of great stories, while you wait for your High Ember. see this thread http://www.candlepowerforums.com/vb/...=1#post5140630
    Last edited by jon_slider; 10-11-2017 at 08:24 PM.

  13. #73
    Enlightened glimmer's Avatar
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by jon_slider View Post
    I suspect it may still take another couple weeks for me to get an sm273 modded light back, to compare to the sm303 I have been carrying...
    Any luck? I would love to see/hear your comparison once you've had some time with them.

    Also still hoping this special run comes to fruition....

  14. #74

    Default Re: HDS 2700k High CRI interest thread

    No,
    the 2700 LED I ordered never arrived

    so I can only point to my experience with the 3000k
    I enjoy it, particularly with a 1/4-green filter

    there are pics here
    https://www.candlepowerforums.com/vb...=1#post5153197

  15. #75
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by jon_slider View Post
    No,
    the 2700 LED I ordered never arrived

    so I can only point to my experience with the 3000k
    I enjoy it, particularly with a 1/4-green filter

    there are pics here
    https://www.candlepowerforums.com/vb...=1#post5153197
    Too bad the 2700 never made it! Would have been fun to see some comparison shots. Still- some nice beam pics in the linked Tint Snob thread.
    Thanks for those!

  16. #76

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by glimmer View Post
    Too bad the 2700 never made it! Would have been fun to see some comparison shots. Still- some nice beam pics in the linked Tint Snob thread.
    Thanks for those!
    I used my 2700K last night, hadn't for a while.
    It's super warm and orangey, definitely a niche temp/tint. Only choose the sm273 if you really love warm.
    I wouldn't like it as my main light but saying that it's still very nice for what it is.
    I think the 3000K is likely a better general use warm tint however I can't directly compare as my 2700K is in an HDS and my 3000K are in a triple with 2x sm303 and 1x 219B at around 4500 to 5000K which blends beautifully in the optic.
    Last edited by F89; 11-21-2017 at 04:09 PM.

  17. #77
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by F89 View Post
    I used my 2700K last night, hadn't for a while.
    It's super warm and orangey, definitely a niche temp/tint. Only choose the sm273 if you really love warm.
    I wouldn't like it as my main light but saying that it's still very nice for what it is.
    I think the 3000K is likely a better general use warm tint however I can't directly compare as my 2700K is in an HDS and my 3000K are in a triple with 2x sm303 and 1x 219B at around 4500 to 5000K which blends beautifully in the optic.
    Agree 100%. I've got a V10R Ti with a 2700k in it and much as I love the warmer tints, it's just too much. Usable, definitely, but I never use it because the 3000-3500 range seems to be where my preference lies.
    Just had one of the 353 emitters put into my main Rotary and have been using it a couple weeks now with complete satisfaction for both high and low levels.

    Post a couple pics of the mixed triple for us??
    Marduke - Solitaire...I've seen matches which are brighter AND have a longer runtime. 光陰矢の如し

  18. #78
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by F89 View Post
    I used my 2700K last night, hadn't for a while.
    It's super warm and orangey, definitely a niche temp/tint. Only choose the sm273 if you really love warm.
    I wouldn't like it as my main light but saying that it's still very nice for what it is.
    I think the 3000K is likely a better general use warm tint however I can't directly compare as my 2700K is in an HDS and my 3000K are in a triple with 2x sm303 and 1x 219B at around 4500 to 5000K which blends beautifully in the optic.
    Quote Originally Posted by kaichu dento View Post
    Agree 100%. I've got a V10R Ti with a 2700k in it and much as I love the warmer tints, it's just too much. Usable, definitely, but I never use it because the 3000-3500 range seems to be where my preference lies.
    Just had one of the 353 emitters put into my main Rotary and have been using it a couple weeks now with complete satisfaction for both high and low levels.

    Post a couple pics of the mixed triple for us??
    Thanks for the insights on the 2700K! I agree it's probably not the best choice for an all-around light, but I have a specific use in mind for it, and would get daily use. The 3000K would work almost as well though, and would better for other uses.

  19. #79
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    Default Re: HDS 2700k High CRI interest thread

    Nice thread, but why only Nichia 219 ?
    Osram hiCRI (2700,3000, 3500, 4000K) also has excellent color rendering, in my headlamp Osram hiCRI CQAR.CC (4000K , CRI 96) has very nice tint.
    For next headlamp I bought Osram hiCRI CQAR.CC 3000K .

  20. #80

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by kaichu dento View Post
    Agree 100%. I've got a V10R Ti with a 2700k in it and much as I love the warmer tints, it's just too much. Usable, definitely, but I never use it because the 3000-3500 range seems to be where my preference lies.
    Just had one of the 353 emitters put into my main Rotary and have been using it a couple weeks now with complete satisfaction for both high and low levels.

    Post a couple pics of the mixed triple for us??
    I'll see what I can do regarding pics over the summer (winter for you guys). I've been meaning to for a stack of threads for ages.
    The triple is on a mountain bike. I run it off a Liipo 4S so 16.8V fully charged, was custom made in 2010 with really nice tinted XPE. I got creative and modded it, 5000ish K down the bottom for the trail/road and 2x3000K up the top of the optic for the bush. It blends for the most part but you definitely notice the 3000K up top on the trees. Either way it's pretty cool.
    Those sm353 have caught my eye too but I haven't got any, I imagine they're great so I'm not surprised you like them.
    Anyway, back on topic.
    Last edited by F89; 11-27-2017 at 06:30 AM.

  21. #81

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by glimmer View Post
    Thanks for the insights on the 2700K! I agree it's probably not the best choice for an all-around light, but I have a specific use in mind for it, and would get daily use. The 3000K would work almost as well though, and would better for other uses.
    Sounds like it's the LED for you then.
    Interested to know what your intended use is?

  22. #82

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by evgeniy View Post
    Nice thread, but why only Nichia 219 ?
    Osram hiCRI (2700,3000, 3500, 4000K) also has excellent color rendering, in my headlamp Osram hiCRI CQAR.CC (4000K , CRI 96) has very nice tint.
    For next headlamp I bought Osram hiCRI CQAR.CC 3000K .
    I don't have experience with those LEDs but they sound great. Do they mount on the same PCB as the Cree XP as the Nichia 219 do? If so then they could easily fit.
    Last edited by F89; 11-22-2017 at 09:20 PM.

  23. #83
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by F89 View Post
    I don't have experience with those LEDs but they sound great. Do they mount on the same PCB as the Cree XP as the Nichia 219 do? If so then they could easily fit.
    Yes, but size of these LEDs is smaller : 3.1x3.1mm, must be carefully centered.

  24. #84
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by F89 View Post
    Sounds like it's the LED for you then.
    Interested to know what your intended use is?
    I've got a home theater/media room which is very dark. We use it every day- movies on weekends, hour shows during the week. A small flashlight is super helpful when pouring a glass of whiskey/wine, cutting up some cheese, or messing with the control boxes. Warmer lights are just so much more pleasant, when your eyes are adapted to the dark. Using an ican now. A rotary control would be ideal, as I could dial in whatever amount of light I need before I ever turn it on. Typically it would be very little. So... an HDS rotary with a warm emitter would be perfect! Fingers crossed.......

  25. #85
    Flashaholic* aginthelaw's Avatar
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by Hogokansatsukan View Post
    If it happens, it wonít be until probably January.
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  26. #86

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by glimmer View Post
    I've got a home theater/media room which is very dark. We use it every day- movies on weekends, hour shows during the week. A small flashlight is super helpful when pouring a glass of whiskey/wine, cutting up some cheese, or messing with the control boxes. Warmer lights are just so much more pleasant, when your eyes are adapted to the dark. Using an ican now. A rotary control would be ideal, as I could dial in whatever amount of light I need before I ever turn it on. Typically it would be very little. So... an HDS rotary with a warm emitter would be perfect! Fingers crossed.......
    Sounds cool... I mean great.
    Keep in mind that the 2700K is super warm, it's a notch warmer than the incans I have. The 3000K is more closer to my incans.
    Anyway, I agree that the warm temp is easy on the eyes and comforting. I do find that it stands out as very warm until I become accustomed to it but even then I can still detect warmth.
    All that said I think you'll really enjoy the sm273 which should go nicely with some cheese, whiskey (on ice) and wine (hopefully red). I like your style.

  27. #87

    Default Re: HDS 2700k High CRI interest thread

    I keep my inbox full so I don't get PM's. I can be emailed however.
    The problem with a run like this, is that there probably just isn't enough interest in 24 of each, or even 12 of 2700 and 12 of 3000. It's something I still have to figure out.
    Group buys are a MAJOR pain in the butt. Just about every time I do one, I swear I will never do another, but then here we go again!
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  28. #88
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    Default Re: HDS 2700k High CRI interest thread

    @Hogo

    One question, is it possible to get mint PCBs where the LED will be soldered for a fair Price (only the PCB, no LED on the board? I'd have the possibility to reflow LEDs, but the PCBs should be "clean", and not be used and were in contact with "thermal paste" (arctic silver,...), can you ask Henry when you see him, if this is possible, and if how much would be 4 PCBs?
    Still looking for Surefire G2 in Orange.
    If you have one you don't like please PM me.

  29. #89
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    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by Hogokansatsukan View Post
    I keep my inbox full so I don't get PM's. I can be emailed however.
    The problem with a run like this, is that there probably just isn't enough interest in 24 of each, or even 12 of 2700 and 12 of 3000. It's something I still have to figure out.
    Group buys are a MAJOR pain in the butt. Just about every time I do one, I swear I will never do another, but then here we go again!
    Thanks for the update. I understand the issues involved. You'll be busy with the second high noon run I'm sure. Please let us know if you make a decision one way or another. I'll just grab the standard high CRI off the HDS site if I have to, but would much prefer something warmer if there is enough interest in this run.

  30. #90

    Default Re: HDS 2700k High CRI interest thread

    Quote Originally Posted by glimmer View Post
    Thanks for the update. I understand the issues involved. You'll be busy with the second high noon run I'm sure. Please let us know if you make a decision one way or another. I'll just grab the standard high CRI off the HDS site if I have to, but would much prefer something warmer if there is enough interest in this run.
    I'm sure it will eventually happen. I just don't know if will end up 12 of each or 24 of the 3000K. I'm also not sure if it will a rotary standard only run, i.e. only flush tail, silver bezel Rotaries. The total custom thingy is such a major PITA, and then there are those who want to change the order a couple times... makes me concussed from hitting my head on the table... and my table is thick marble that I do leather work on so it's definitely not healthy.
    Thor's Hammer Custom Leather
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