NIGHTWATCH Seeker NS22 (XHP50.2/SST40 and SST20): discount code posted in op (XHP70.2 now available too)

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djozz
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The threads on the driver side are bare in my copy, both with the 18650 and 21700 tube.

contactcr
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djozz wrote:
The threads on the driver side are bare in my copy, both with the 18650 and 21700 tube.

My threads are bare too. I’m talking about the flat end.

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I see, yes they are ano’ed. I expect it not to matter though, enough contact between the threads.

SKV89
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contactcr wrote:
Hey, fair enough. I didn’t even measure I just guessed it would be closer to how the 4000K measures but I guess you really do lose that much going to a 3K bin.

The CCT doesn’t make a difference in output. It’s the flux bin that matters. Warmer CCT are usually limited to lower flux bins. I measured many NW versions of the same flashlight brighter than CW version. For example I measured output of several E07 and to my surprise the NW one measured brighter than CW.

So it’s all about the flux bin.

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I understand, but after looking at the datasheet the flux bins are very linear with the tint. The highest flux bin 3000K is not even as bright as the lowest bin 4000K. I realize this doesn’t apply to all LEDs.

wstrachan
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Just for the record, I have one of these just in with SST-20 emitter. It is EXTREMELY WELL BUILT, overbuilt really and is a quite nice small thrower.

light addict....yeah I've got the bug.

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many, many others...

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djozz wrote:
Got mine with 3000K SST-20, and get a bit over 600 lumen on “turbo”. It was an impulse buy and although the build quality and led choice is very nice, I’m not really sure if it adds a lot to what I already have (but then, what other flashlight does do that?).

At least the SST-20 is doing its thing, produces a very attractive beam and at low mode in the hotspot I measure 97.8 CRI, R9=88, 2960K and duv -0.0008. At higher modes the CRI is slightly lower but with rosier tint.

I’m still trying to figure what the merit is of extreme CRI in a throwy flashlight !{width:5%}https://media.tenor.com/images/3d498484039c5d866fc4eb41ccaf9b95/tenor.gif!

There seems to be Two threads on this light.

I am also getting[Thursday supposedly]the SST-20 3000K. His website states that the light is 1250 lumens on MAX[TURBO]

https://www.nealsgadgets.com/products/nightwatch-ns22-led-flashlight

1. Are you saying that you got 600 lumens on TURBO w/ the same light I am getting?!

I hope not, I would be extremely disappointed and even more so because I just bought a 50-E and have no other 21700 lights to use.

If it is LED lumens, 1250 LED lumens is a LOT more than 600 OTF.

Maybe I am missing something,,,something is not right.

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BlueSwordM
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@wolfdog, the 1250 lumens measure is based on the 5000k/6500k version.

The high CRI 4000k/3000k version will get lower lumen numbers.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

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1,250 is only going to be achievable with the low CRI 5000K or 6500K. The 3000K is going to max out at 800 “LED Lumens” and even less since this light isn’t driving it at the absolute max.

I think the hype train made a stop at your house and your ticket was punched.

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BlueSwordM wrote:
@wolfdog, the 1250 lumens measure is based on the 5000k/6500k version.

The high CRI 4000k/3000k version will get lower lumen numbers.

Thanks,,well NEALE needs to make that clear on his website. I was not familiar w/ that led. This is what he lists! He needs to break it down by color temp. or say this is for 5000K 6000K ect.

TOTALLY INACCURATE AND MISLEADING!

Details:
1.LED:SST20
Output:1250lm
Beam Intensity:90,000CD
Distance:600m
Modes:L(0.1A)-M(1.5A)-H(3A)-T(5A)

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djozz
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Yes, my Nightwatch Seeker runs at 5.13 A at turbo, in my test of the 3000K SST-20 that is nicely close to max btw, and I measured 830 djozz-lumen, that should be 770 real lumen when compensated to maukka’s calibration. For a reflector light I usually take 82% off that for OTF estimation, which is 633 lumen. I just remeasured at 30 seconds: 643 (real) lumen, pretty close to expectation.

A low CRI cool SST-20 should be almost double that.

SKV89
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Very nice Djozz. You finally got a Maukka calibration light! Beer

Our measurements are (edit: “now”) comparable. I measured 638 lumens.

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djozz wrote:
Yes, my Nightwatch Seeker runs at 5.13 A at turbo, in my test of the 3000K SST-20 that is nicely close to max btw, and I measured 830 djozz-lumen, that should be 770 real lumen when compensated to maukka’s calibration. For a reflector light I usually take 82% off that for OTF estimation, which is 633 lumen. I just remeasured at 30 seconds: 643 (real) lumen, pretty close to expectation.

A low CRI cool SST-20 should be almost double that.

ok,,,thanks,,,,,,,,,,,by the way NEALE advertized it I would have no way of knowing that. He did not specify what color temp. that was and I really knew nothing about this LED!!!

I never thought about how in other LED’S CW is usually more lumens than NW,,,,But not always. One example is my TN42vn90 with the CFT-90, My 5500K is the same output as the 6500K which is:

Lumen: 5500 Intensity: 1.2Mcd Throw: 2190

Off to work.

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djozz wrote:
Yes, my Nightwatch Seeker runs at 5.13 A at turbo, in my test of the 3000K SST-20 that is nicely close to max btw, and I measured 830 djozz-lumen, that should be 770 real lumen when compensated to maukka’s calibration. For a reflector light I usually take 82% off that for OTF estimation, which is 633 lumen. I just remeasured at 30 seconds: 643 (real) lumen, pretty close to expectation.

A low CRI cool SST-20 should be almost double that.

Which battery did you use for the test? A high drain 18650[VTC5A/30Q/VTC5D ECT] OR a 21700? I bought a Samsung 50E and have several VTC5A/D to use.

Thanks

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I think of things in piece meal!

So if mine is ~ 650 lumens[not 1250] than it will probably about 50Kcd instead of 90Kcd! Facepalm

I hope I am wrong.

Although that is not always the case,,Oslon LED’S[~700L] and my OSTS TN31mb is ~750L/477Kcd w/ xpg2,,,albeit a much bigger reflector, same LED in my TX25C2vn DD/Single mode is 850 Lumens/75Kcd

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djozz
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It was a 40T, and it did not matter much if it was completely full or partly drained, the driver must regulate something, maybe.

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I tried both I think. It’s constant current driver so I dont think your battery choice will make much difference in this one.

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djozz wrote:
It was a 40T, and it did not matter much if it was completely full or partly drained, the driver must regulate something, maybe.

Any Idea on the Kcd’s?

I can get a decent idea when I compare to my TX25C2vn

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The more I think about this the more frustrated I get. A bit frustrated w/ myself for not asking more questions, and frustrated w/ the seller who did NOT specify color temp.in relation to reduction in output.ONLY used the high numbers.

I love 5000K ,,,,,,,,,only reason I tried 3000K is for something different, which I did not expect to include the numbers!

This is a PRIME example of when you buy something from China, it is not as easy to return[If at all] as it is in USA. I could have simply sent this light back to lets say, Illumns for the 5000K version with no issue or problems,…….probably cost $50 to send back to China when the light is worth $22!

Solitude breeds contemplation which creates clarity. 

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contactcr
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wolfdog1226 wrote:
The more I think about this the more frustrated I get. A bit frustrated w/ myself for not asking more questions, and frustrated w/ the seller who did NOT specify color temp.in relation to reduction in output.ONLY used the high numbers.

I love 5000K ,,,,,,,,,only reason I tried 3000K is for something different, which I did not expect to include the numbers!

This is a PRIME example of when you buy something from China, it is not as easy to return[If at all] as it is in USA. I could have simply sent this light back to lets say, Illumns for the 5000K version with no issue or problems,…….probably cost $50 to send back to China when the light is worth $22!

Talk to your buddy who did those nice looking button tops and either get a higher CCT SST-20 or a white flat on a star. He should be able to do this job in no time. You haven’t even got the light yet and you have already assumed the worst.

edit: I bet you could sell it for the price you paid assuming you are willing to eat the shipping cost to someone here in the states that wants one in days rather than a month. Plus, you will have tested it first!

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wolfdog1226 wrote:
problems,…….probably cost $50 to send back to China when the light is worth $22!

contactcr wrote:

edit: I bet you could sell it for the price you paid assuming you are willing to eat the shipping cost to someone here in the states that wants one in days rather than a month. Plus, you will have tested it first!

I was just gonna suggest that. I’ve been on the fense on this one (yes the warm white 95CRI variety) but have several lights inbound from China as we speak and I don’t like to have too many China orders in route at one time or I get confused and forget about things and don’t want China getting one over on me if a package is lost and I forget so I’ve held off… Once it gets here I’ll give you your money back for it if you’d rather reorder a 5000K one than try to have this one modded.

 RIP  SPC Joey Riley, KIA 11/24/14. Now I am become death, the destroyer of worlds.

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Cereal_killer wrote:
wolfdog1226 wrote:
problems,…….probably cost $50 to send back to China when the light is worth $22!
contactcr wrote:
edit: I bet you could sell it for the price you paid assuming you are willing to eat the shipping cost to someone here in the states that wants one in days rather than a month. Plus, you will have tested it first!
I was just gonna suggest that. I’ve been on the fense on this one (yes the warm white 95CRI variety) but have several lights inbound from China as we speak and I don’t like to have too many China orders in route at one time or I get confused and forget about things and don’t want China getting one over on me if a package is lost and I forget so I’ve held off… Once it gets here I’ll give you your money back for it if you’d rather reorder a 5000K one than try to have this one modded.
Yes,,,I will consider that,,,,,,,,,,You are only one State over.I was born in Cleveland! You never know, I may accept the weaker output, but I doubt it.

Then I could order the 5000K

It will arrive Saturday[supposedly]…first estimate was today. It is in Maryland now so Saturday seems right

Slow down on that Cereal,,or you may have to get a root canal like me @ 4pm!! lol!

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SKV89
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wolfdog1226 wrote:
You never know, I may accept the weaker output, but I doubt it.

Then I could order the 5000K

You should really try it first before thinking the negative. I originally bought this light with the intent to just try the 3000k and later swap it with a White Flat. However, I really like the WW 95CRI thrower and probably won’t swap it. I have a number of NW and CW throwers so this is something for a change. Also I never trusted the output numbers since there’s no way a 3000k 95CRI can output the same as a 5000k 70CRI emitter. Small manufacturers in China like Sofirn, Fireflies, Hakelite etc., have to send their lights out for third party testing as surprisingly they don’t even have a lumen sphere so they either send out the top model for testing or they spec the output based or calculations. Many of these lights don’t even reach 100 sold. Even the Jaxman X6 Hunter, which I think is the best design for this form factor, only sold 2 pieces so far in the last few months since its release. So there’s really not much money to be made in this business and we have to keep our expectations down.

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SKV89 wrote:
wolfdog1226 wrote:
You never know, I may accept the weaker output, but I doubt it.

Then I could order the 5000K

You should really try it first before thinking the negative. I originally bought this light with the intent to just try the 3000k and later swap it with a White Flat. However, I really like the WW 95CRI thrower and probably won’t swap it. I have a number of NW and CW throwers so this is something for a change. Also I never trusted the output numbers since there’s no way a 3000k 95CRI can output the same as a 5000k 70CRI emitter. Small manufacturers in China like Sofirn, Fireflies, Hakelite etc., have to send their lights out for third party testing as surprisingly they don’t even have a lumen sphere so they either send out the top model for testing or they spec the output based or calculations. Many of these lights don’t even reach 100 sold. Even the Jaxman X6 Hunter, which I think is the best design for this form factor, only sold 2 pieces so far in the last few months since its release. So there’s really not much money to be made in this business and we have to keep our expectations down.

You may be right. I am sure I will like the tint,However, as you probably know I have many modded throwers and the odds of me liking a light that is ~ 600L/50Kcd[??] compared to 1250L/90Kcd would be slim,,,,,,,,,we will see. If I like it , I will admit to my premature Judgment!

I know one thing I do not like, but I am getting [@ 4 pm],,,is a root canal!! Facepalm This will be my 4th!! EARLY dinner!

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wolfdog1226 wrote:

Slow down on that Cereal,,or you may have to get a root canal like me @ 4pm!! lol!

Ouch man. I had been really worried about my teeth recently, you see I hadn’t been to a dentist in 13 years and that was to get my wisdom teeth out at 19, I hadn’t had a teeth cleaning in probably closer 15 years so I was super worried and nervous. Turns out I didn’t have a single issue other than really bad calcium build up. Cleaned it all off and they were just as shocked as I was!

Hope it’s going well for you sir.

 RIP  SPC Joey Riley, KIA 11/24/14. Now I am become death, the destroyer of worlds.

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Cereal_killer wrote:
wolfdog1226 wrote:

Slow down on that Cereal,,or you may have to get a root canal like me @ 4pm!! lol!

Ouch man. I had been really worried about my teeth recently, you see I hadn’t been to a dentist in 13 years and that was to get my wisdom teeth out at 19, I hadn’t had a teeth cleaning in probably closer 15 years so I was super worried and nervous. Turns out I didn’t have a single issue other than really bad calcium build up. Cleaned it all off and they were just as shocked as I was!

Hope it’s going well for you sir.

Thanks

Your a young pup at 32! LOL It went well,,no pain at all. Last one I had was in 1991. Two at once! My jaw muscles were sore for Two days!

This endodontist and his Two partners[he owns the practice] have done more than 50K root canals!

He is 57 and has climbed 6 out of the 7 highest Mts. in the world,,,,,,,,,,,Mt. Everest is the last one left which he is doing this year.

These guys have these cool head lamps,,,not there exact name,,,I told him I can get it modified, change up the tint and add some throw so he can blind his patients!! lol!

Solitude breeds contemplation which creates clarity. 

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So, basically put in the SST-20 3000k in your NS22 to the headlamp…

That would actually be very nice. Color rendering would massively improved, along with throw. Would really help.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

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BlueSwordM wrote:
So, basically put in the SST-20 3000k in your NS22 to the headlamp…

That would actually be very nice. Color rendering would massively improved, along with throw. Would really help.

Sound good,,,except I would not be the one doing it because I do not know how!! Can not be that hard,,,i just do not have any experience. Maybe when I retire in 5 years I can learn!

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Environment molds a person. Perseverance changes them. 

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I swapped the switches in my Nightwatch NS02 with the NS22 and I think I like it better. Forward switch is now in the light with a cigar grip and the reverse in the other.

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contactcr wrote:
SKV89 wrote:
I received mine with the SST-20W 95CRI 3000k. The host is beautiful. Love the functional cooling fins and color. The beam is very tight and measures 638 lumens at 1 sec. The only negative is that it doesn’t tail stand. I wonder why they didn’t raise the ears a tint bit to allow tail standing.

Pretty sure you never made it to turbo. Double click and re-test.

Scratch that, I know how particular you are about CCT and DUV so I KNOW you never made it since you didn’t mention the shift Smile

just got mine. Testing run time w/ my 50E.

3000K does NOT say to double cl. for Turbo. Double cl. for strobe?

Mine only seems to have 3 modes!

Details:
1.LED:SST20
Output:1250lm
Beam Intensity:90,000CD
Distance:600m
Modes:L(0.1A)-M(1.5A)-H(3A)-T(5A) double clickes strobe

Solitude breeds contemplation which creates clarity. 

Environment molds a person. Perseverance changes them. 

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