Streamlight Poly Tac 2x123a polymer light???

LEDBE
woodrow

woodrow

Flashlight Enthusiast
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I was just looking for new lights online and I came across this on Streamights site: http://www.streamlight.com/product/product.aspx?pid=159#tabs

(I hope the link is OK because they do not sell lights on the Streamlight site...but if not, I will gladly remove it)

I have been looking for a light to replace my SF gpz for a while and I stumbled across this light. I do not beleave anyone has them yet, but I think it might make a decent winter coat pocket light. It weighs just over 4 ounces...should be decently cheap...Streamlight's are usually not expensive. They are also decently tough and have a USA lifetime warrenty.

It is brighter than the SF P60L lamps...and yet claims full 120lm regulation even in a polymer body. It is not as cool as the Inova Inforce lights...but most likely will cost only 1/3 (or less) as much.

Has anyone heard any info on these lights???
 
The specs look ok. The problem with this material is that it has to be thicker than aluminum in order to do the same job. This means it will be bigger around than a similarly spec'd Surefire aluminum or Fenix type light.

I would just get SF G2 led model for $53. SF has the aluminum head to help dissipate heat. I don't see that the Streamlight has anything but a plasic head. How are they dissipating heat on this? After several minutes, how many lumens has this light dropped to because it can't dissipate the heat?

I personally prefer the more slender lights like the SF E2dl.
 
captainKrunch said:
The specs look ok. The problem with this material is that it has to be thicker than aluminum in order to do the same job. This means it will be bigger around than a similarly spec'd Surefire aluminum or Fenix type light.

I would just get SF G2 led model for $53. SF has the aluminum head to help dissipate heat. I don't see that the Streamlight has anything but a plasic head. How are they dissipating heat on this? After several minutes, how many lumens has this light dropped to because it can't dissipate the heat?

I personally prefer the more slender lights like the SF E2dl.
Click to expand...

It does not look to be that much larger than a G2 or 6P.
Not all LED lights or modules generate enough heat to need aluminum heatsinking. Lower current designs do just fine in plastic bodied lights. This particular light needs 3 hours to deplete a pair of cells, so chances are its not driving the LED that hard. Unless SL is severely over-rating their run times. For example, a malkoff M60L emits around 130L for ~3 hours and does just fine in plastic bodied lights.
 
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kramer5150 said:
It does not look to be that much larger than a G2 or 6P.
Not all LED lights or modules generate enough heat to need aluminum heatsinking. Lower current designs do just fine in plastic bodied lights. This particular light needs 3 hours to deplete a pair of cells, so chances are its not driving the LED that hard. Unless SL is severely over-rating their run times. For example, a malkoff M60L emits around 130L for ~3 hours and does just fine in plastic bodied lights.
Click to expand...

Thats interesting. Isn't heat the reason Surefire had to go to an aluminum head on the G2 in order to keep the lumens up? If SF was having problems with 80 lumens, how can Streamlight not have problems with 120? The M60 I don't know how they handle heat.
 
captainKrunch said:
Thats interesting. Isn't heat the reason Surefire had to go to an aluminum head on the G2 in order to keep the lumens up? If SF was having problems with 80 lumens, how can Streamlight not have problems with 120? The M60 I don't know how they handle heat.
Click to expand...

Yes SF did switch to an aluminum bezel mid-way through production. They also incorporated a thermal sensor that cuts current when temps reach a certain point.

If SL has designed this light to keep the current consumption and current output down and uses an efficient DC circuit, its possible it does not need an aluminum design. Not all LED lights and P60 hosts need aluminum in the body to keep sufficiently cool. Good examples are the M60L and low-medium output mode modules hosted in a SF-G2. I am also assuming the SL 120L spec is emitter lumens, and this light is more like 90-100L out the front.

IMHO streamlight has some really well thought out designs, I would give them the benefit of doubt on this one.
 
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hopefully the 3hours of output is nearly flat 120lumens. from the picture on SL official website the lights seem to have OP reflectors. :naughty:

i do hope the lense can be replaced & not glued on. :sick2:
 
I certainly would not be against buying one of these but if it is $37 plus shipping and I can get a SF G2 led from $52 shipped, with two day shipping, from a reputable well known dealer on here, the SL would have to have some features that the SF doesn't. If it had a clicky cap, which I can't tell from the description, then I would be willing to jump on it.

I hate the twisty caps.
 
Been out of the loop for a while - anyone have this light or have read any reviews?
 
i just purchased the streamlight polytac led today from the local gun store. i disassembled it and took a picture so everyone could see the heatsinking. oh, and it has a forward clicky
1000687e.jpg
 
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thanks milkshake for the photo!
do you have the full size photo of the above? maybe a link?

whats your comment so far about the beamshot, brightness, heat dissipation, etc?
 
i'll be using this light all night tonight so i'll be back with comments about it and i'll take some more pics:thumbsup:
 
well, i'll have to say that i am very impressed with the streamlight polytac led. i absolutely love the spot vs. flood on this light, its exactly what i've been looking for. the feel of the light is very light in weight, slips easily into pocket with no anoying protrusions, seems to dissapate heat just fine with no noticeable dimming, simple on off clicky which i prefer with no extra modes , and posibly underconservative on lumen claims. i took beamshots with a couple other lights i had with me for everyone to see since i have no data on the lumen claims. i would love to see some runtime and output data on this light. i also included some more dissasembly pics. enjoy!

first up is streamlight polytac led 120 lumen, olight t20 220 lumen, led lenser 105 lumen, and surefire g2 65 lumen
1000706j.jpg
1000710l.jpg
1000711.jpg
1000714.jpg
polytac.jpg
t20.jpg
66407006.jpg
ledlenser.jpg
streamlight.jpg
t20indoor.jpg
ledlenserindoor.jpg
surefireg2.jpg
 
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*bump*

After reading a few threads about these lights, I think I'll pick one of these up to try out.

Has anyone done any runtime tests on these yet?
 
I have the yellow polytac led; the beam is quite tight, and very throwy. Someone had posted that the main beam was wide. It isn't. The spill is nice and wide and bright. Mine has a near flawless beam.

I put a tiny bit of thermal paste between the led module and the thick aluminum tube thats inside the plastic body surrounding the batts. After 10 mins of runtime, the module was only warm.
 
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