[PART 1] Official BLF GT Group Buy thread. Group buy officially closed! Lights shipping.

19107 posts / 0 new
Last post
nodoubt
Offline
Last seen: 1 month 3 weeks ago
Joined: 10/23/2012 - 00:51
Posts: 412
johny723 wrote:
how about some beamshots or updates about changes in the carriers or photos of the new reflector instead of the money, shipping, taxes talk?

AMEN brother ! Thumbs Up

The Miller
The Miller's picture
Offline
Last seen: 1 week 17 hours ago
Joined: 12/14/2015 - 12:08
Posts: 9908
Location: Charente France

DooMMasteR wrote:
So is entry still possible?
Would be awesome if my name was on the List Silly

Yes will do!
patmurris
patmurris's picture
Offline
Last seen: 7 hours 9 min ago
Joined: 12/22/2014 - 15:54
Posts: 1417
Location: Nice, France

@TheMiller:

I asked to be on the list for one GT but don’t see my name on it.
See post 4336 on page 145.

The Miller
The Miller's picture
Offline
Last seen: 1 week 17 hours ago
Joined: 12/14/2015 - 12:08
Posts: 9908
Location: Charente France

Oh dang that needs correcting!
Sorry will do.

Please check if you are on the list as you want, I might have missed things.
Apologies if so, it will be corrected.

teacher
teacher's picture
Offline
Last seen: 4 months 9 hours ago
Joined: 02/23/2016 - 19:04
Posts: 9596
Location: NE & SW Alabama

Mr.Scott wrote:

teacher wrote:
@ Mr. Scott

Just to be sure I understand correctly.


The first list in Post #3 is (when completely updated) .. the official purchase list??


Yes or No


Big Smile Thank you… Wink



 


Simple answer: YES.


 


Complete answer:  There is only one official list. The Miller keeps the official list in Post #1. The official list is kept in chronological order, based on order of request. The GT Team decided that to get this light into as many hands a possible, all 1st request for the GT would be honored before 2nd, 3rd, 4th, etc requests for the GT. The list in Post #3 is ordered based on that decision, but is derived from the official list in Post #1. The list in Post #3 is not “official” until certified as official by a certifying official. Past performance is no guarantee of future results. May cause itching, rash,  or swelling at treatment site. In case of an erection lasting more than four hours please seek medical help. You mileage may vary. Taxes, tags, and title extra.

Big SmileThank you Mr. Scott!!! Wink

I love that “simple answer”…… Thumbs Up
.
Wink

You never know how a horse will pull until you hook him up to a heavy load./"Bear" Bryant 

 .................................. "Slow is Smooth, Smooth is Fast" ...................................

       Texas Lumens Flashlights / M4D M4X Deals : sign up - save $$$$  

         Rudeness Level _ mΩ _ {width:70%} _ LightWiki _ LED Tint Chart  

      Xlamp size chart _ BatteryU _ Flashaholic? Need Professional Help???            TheOriginal _ TAB _ LightSearch _ BatterySearch _ 14500's _ DiCal 

 

                                             

Anthon
Offline
Last seen: 12 hours 21 min ago
Joined: 09/07/2015 - 10:33
Posts: 588

Hi, please could you erase my second unit? It was for a friend but he isn’t interested now… so I’m still interested in my first unit

Anthon 129 331

Yourrid
Yourrid's picture
Offline
Last seen: 16 hours 51 min ago
Joined: 05/17/2013 - 09:41
Posts: 1051
Location: NE ATL

Could you please take me off the list for my second light. #415 on the main list.

I still want one, but only 1.

Thanks!

DEL
DEL's picture
Offline
Last seen: 1 year 9 months ago
Joined: 06/28/2015 - 08:35
Posts: 559
Location: Canada

New beam-shot. I swapped out the prototype’s cool-ish LED with a 3A-bin neutral white (the production units will also come with neutral white emitters):

Original LED:

Both shots were done using 5 s exposure, manual white balance, ISO100. Distance to tree is 150 m / 500 ft.

ToyKeeper
ToyKeeper's picture
Offline
Last seen: 3 hours 38 min ago
Joined: 01/12/2013 - 14:40
Posts: 10090
Location: (469219) 2016 HO3

Texas_Ace wrote:
Comparison with several other throwers, I think the order goes like this:

XHP35 HI L2 – XP-L HI L2 – BLF GT – Small 2s zoomie – XHP35 HI 1405 – Cometa

At first I wasn’t sure I agreed with calling it “Giggles”… but looking at Giggles next to other lights I think you’re right. That’s it’s name: The BLF Giggle Thrower, or Giggles for short. Big Smile

ToyKeeper
ToyKeeper's picture
Offline
Last seen: 3 hours 38 min ago
Joined: 01/12/2013 - 14:40
Posts: 10090
Location: (469219) 2016 HO3
Tom E wrote:
Right now the firmware has only step down capability … I’m not sure with full temp regulation on the MCU based temp sensor because of it’s location and calibration issues.

I think you’re probably right, and it likely doesn’t need more than it already has… but I could probably patch in more detailed thermal regulation (copy/paste from the D4 v2 code) if it’s needed, or you could too. Smile

With the GT’s mass-to-power ratio though, it’s probably fine.

nodoubt
Offline
Last seen: 1 month 3 weeks ago
Joined: 10/23/2012 - 00:51
Posts: 412

what are we looking at for the final numbers
1.1 ? 1.2 ?
sure hoping its more than that on the finished product
theres modded tn42s running around out there ,with over a mill lux, and at half the size of the gt to boot

Theodore41
Offline
Last seen: 3 hours 28 min ago
Joined: 02/20/2016 - 12:57
Posts: 973
Location: Athens Greece.

DEL wrote:
New beam-shot. I swapped out the prototype’s cool-ish LED with a 3A-bin neutral white (the production units will also come with neutral white emitters):


Isn’t it possible to put CW leds in several lights?I think there are enough members who prefer those leds.
The Miller
The Miller's picture
Offline
Last seen: 1 week 17 hours ago
Joined: 12/14/2015 - 12:08
Posts: 9908
Location: Charente France

Well it is really interesting, CW gives higher numbers but in all but the ideal circumstances NW shows more to the user.

It is well known that the NW tints are preferred by most who have seen it side by side with CW.
Yet of course “most” =/= “all” Wink

Texas_Ace
Texas_Ace's picture
Offline
Last seen: 15 hours 1 min ago
Joined: 03/24/2016 - 07:44
Posts: 8566
Location: Everything is brighter in Texas

Theodore41 wrote:
DEL wrote:
New beam-shot. I swapped out the prototype’s cool-ish LED with a 3A-bin neutral white (the production units will also come with neutral white emitters):


Isn’t it possible to put CW leds in several lights?I think there are enough members who prefer those leds.

It is possible although it would add a fair amount of complication to the GB with the risk of people getting the wrong tint.

Like Miller said, With a thrower like this a cooler LED will give a bit higher readings on the lux meter due to the non-linear way it reads light tints yet in the real world you can easily see further with a warmer LED.

This is due in part to refraction in the air scattering blue light more then red (the same reason the sky is blue). This does several negative things.

Firstly is disperses the light quicker before it reaches the intended target.

The scattered light returns to your eye and washes out your vision making it much harder to see long distances due to having to squint.

On top of this cool LED’s have much worse contrast and it makes it harder to see details. At range this becomes even more apperant.

The end result is I have seen multiple times that a thrower that has higher throw numbers and higher lumen output on the meter get beat by less powerful light in the real world.

For example my S70 had a cool white LED and had numbers that were roughly 10% higher then my L6 that had a neutral white LED.

When I tried them out side by side I fully expected the S70 to shine further and be brighter obviously. Turned out that it was exactly the opposite. The L6 won easily and unanimously among many sets of eyes. I was so shocked I even swapped the batteries thinking maybe the S70 cells were low. Nope, same result.

The L6 could easily see 10-20% further then the S70 in the real world and you could see more detail at range as well.

I sold my S70 shortly after this.

To be honest going with a Warm white LED would most likely net you even further real world throw even at the loss of output due to lower bins.

Texas_Ace
Texas_Ace's picture
Offline
Last seen: 15 hours 1 min ago
Joined: 03/24/2016 - 07:44
Posts: 8566
Location: Everything is brighter in Texas

ToyKeeper wrote:
Texas_Ace wrote:
Comparison with several other throwers, I think the order goes like this:

XHP35 HI L2 – XP-L HI L2 – BLF GT – Small 2s zoomie – XHP35 HI 1405 – Cometa

At first I wasn’t sure I agreed with calling it “Giggles”… but looking at Giggles next to other lights I think you’re right. That’s it’s name: The BLF Giggle Thrower, or Giggles for short. Big Smile

LOL, I was hoping more people would pick up on that but it seems most do not appreciate just how impressive this light is. You can’t help but give a little giggle when you turn it on and shine it at something that you figured had to be out of range and it looks like day!

Plus the giant light saber effect is pretty fun in itself.

The Miller
The Miller's picture
Offline
Last seen: 1 week 17 hours ago
Joined: 12/14/2015 - 12:08
Posts: 9908
Location: Charente France

good explanation TA!

Theodore41
Offline
Last seen: 3 hours 28 min ago
Joined: 02/20/2016 - 12:57
Posts: 973
Location: Athens Greece.

Texas_Ace wrote:
Theodore41 wrote:
DEL wrote:
New beam-shot. I swapped out the prototype’s cool-ish LED with a 3A-bin neutral white (the production units will also come with neutral white emitters):


Isn’t it possible to put CW leds in several lights?I think there are enough members who prefer those leds.

It is possible although it would add a fair amount of complication to the GB with the risk of people getting the wrong tint.

Like Miller said, With a thrower like this a cooler LED will give a bit higher readings on the lux meter due to the non-linear way it reads light tints yet in the real world you can easily see further with a warmer LED.

This is due in part to refraction in the air scattering blue light more then red (the same reason the sky is blue). This does several negative things.

Firstly is disperses the light quicker before it reaches the intended target.

The scattered light returns to your eye and washes out your vision making it much harder to see long distances due to having to squint.

On top of this cool LED’s have much worse contrast and it makes it harder to see details. At range this becomes even more apperant.

The end result is I have seen multiple times that a thrower that has higher throw numbers and higher lumen output on the meter get beat by less powerful light in the real world.

For example my S70 had a cool white LED and had numbers that were roughly 10% higher then my L6 that had a neutral white LED.

When I tried them out side by side I fully expected the S70 to shine further and be brighter obviously. Turned out that it was exactly the opposite. The L6 won easily and unanimously among many sets of eyes. I was so shocked I even swapped the batteries thinking maybe the S70 cells were low. Nope, same result.

The L6 could easily see 10-20% further then the S70 in the real world and you could see more detail at range as well.

I sold my S70 shortly after this.

To be honest going with a Warm white LED would most likely net you even further real world throw even at the loss of output due to lower bins.


OK then.Let’s see the neutral one.I wish you are wright. Smile
Sledgestone
Offline
Last seen: 2 weeks 6 days ago
Joined: 11/07/2015 - 06:55
Posts: 602
Location: Sweden

I can guarantee that he’s right!

Yokiamy
Yokiamy's picture
Offline
Last seen: 2 hours 56 min ago
Joined: 10/18/2016 - 15:47
Posts: 2006
Location: Netherlands

Yesterday evening i was doing a nightwalk during my holiday (near the sea) and the nichia 4000k was so much nicer then the nichia 5000K.
Also tried my modded C8 with X6 driver and xpl-hi V3-1A, which was really bright, and gave a nice lightsaber effect, but the warmer tints really are nicer to view
You can distinguish details that much better. Makes a difference of night and day

  BLF

RotorHead64
RotorHead64's picture
Offline
Last seen: 3 months 3 weeks ago
Joined: 10/31/2015 - 02:49
Posts: 428
Location: United States

The warmer the better for me.

Enderman
Enderman's picture
Offline
Last seen: 2 hours 13 min ago
Joined: 11/03/2016 - 22:42
Posts: 3966
Location: Vancouver, Canada

Can we maybe not turn this thread into another CW vs NW flame war please? Thanks.

The Miller
The Miller's picture
Offline
Last seen: 1 week 17 hours ago
Joined: 12/14/2015 - 12:08
Posts: 9908
Location: Charente France

Well putting in another tint XHP35HI or dedomed XHP35 can always be done by people themselves.
DEL did it but the large ledboard needs a lot of heat to do it Wink

Texas_Ace
Texas_Ace's picture
Offline
Last seen: 15 hours 1 min ago
Joined: 03/24/2016 - 07:44
Posts: 8566
Location: Everything is brighter in Texas

He is not joking about the mcpcb. It is a beast.

I tried using the hot air gun but got bored after several minutes of heating and still no reflow.

So I broke out a propane blowtorch, that did the trick.

Warning, if you try to do it this way, be VERY careful, it is very easy to overheat things and damage them. Heat from a good distance away and only till the solder just start to reflow, then pull the heat away quick.

solRNY
Offline
Last seen: 1 day 8 min ago
Joined: 03/27/2017 - 17:24
Posts: 210
Location: Syracuse, NY

sounds like this mcpcb is not typical, maybe a spare is good to have

Texas_Ace
Texas_Ace's picture
Offline
Last seen: 15 hours 1 min ago
Joined: 03/24/2016 - 07:44
Posts: 8566
Location: Everything is brighter in Texas

It is an extra large pcb to match the extra large reflector / light.

Unless you seriously screw up you should never need a spare, it is built to last. VERY happy with the mcpcb and shelf.

Now a custom XHP70 12V mcpcb on the other hand, well lets just say that talks are under way and I have no idea where it will end up at this point but things are looking good.

djozz
djozz's picture
Online
Last seen: 53 sec ago
Joined: 09/07/2012 - 17:04
Posts: 16111
Location: Amsterdam

Texas_Ace wrote:

Like Miller said, With a thrower like this a cooler LED will give a bit higher readings on the lux meter due to the non-linear way it reads light tints yet in the real world you can easily see further with a warmer LED.

The lux is defined by the sensitivity of the human eye for the different wavelengths, so a light source that appears brighter to the eye should simply measure a higher lux (eye variations averaged).

The reason that the average luxmeter reads cool white light higher than visibly brighter neutral white light is that it is expensive to measure lux correctly, a precisely tuned optical filter is needed before the sensor that is several times more expensive than what an average luxmeter costs. Instead, almost all luxmeters (also the ones over 100 dollar) read the blue region of the spectrum too high, so that cool white led light gets a higher reading than it should.

Texas_Ace
Texas_Ace's picture
Offline
Last seen: 15 hours 1 min ago
Joined: 03/24/2016 - 07:44
Posts: 8566
Location: Everything is brighter in Texas

Yeah, what he said^

Wieselflinkpro
Wieselflinkpro's picture
Offline
Last seen: 3 hours 1 min ago
Joined: 05/21/2015 - 04:34
Posts: 941
Location: Germany - TLF

The Miller]OP updated with:
[quote
wrote:
So to be clear:

Soon people on the list will get a PM for the down payment of $14, done via PayPal directly to Neal
When making the payment add a note with the following information:
BLF name
Address (including province/state and phone number)
Spot on the list

We will keep a list who made the payment.

Please make a pattern in the PN with the adress-informations you want to get. State/province is not nessesary in germany, but if you want it, you/Neal will get it.

AdrianWA
AdrianWA's picture
Offline
Last seen: 1 month 1 week ago
Joined: 02/10/2017 - 22:09
Posts: 173
Location: Karratha, Western Australia

The Miller wrote:
Would be awesome for sure! Hard case 20 GT + set orings and lens 250 Short tube 10 8 cells 48 2x lii500 charger 50 $378 / ~$400 excluded shipping seems an OK (but expensive nevertheless Wink ) price to ask for such set. Not that it will be a groupbuy thing but I can see LT do it.

 

Now it cost 400 dollars?

DooMMasteR
Offline
Last seen: 2 months 2 weeks ago
Joined: 01/16/2017 - 13:02
Posts: 84
Location: Germany

sow any chance to get on the list?

Pages

Topic locked