any budget xpg2 AA lights out there?

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jmpaul320
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not sure if xpg vs xpg2 would really make a difference as far as output with 1aa… even if its 25% brighter… 125 lumens vs 100 maybe??

still has anyone seen any offerings in budget lights yet?

ive seen foursevens is offering a few but $62 for a single aa? NO.

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I haven't seen any in AA,

I haven't seen any in AA, just one in 18650.

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JohnnyMac wrote:I haven’t

JohnnyMac wrote:

I haven’t seen any in AA, just one in 18650.


and what would that be?

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likeaboss wrote:JohnnyMac

likeaboss wrote:
JohnnyMac wrote:

I haven't seen any in AA, just one in 18650.

and what would that be?

http://budgetlightforum.com/node/12370

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LOL

likeaboss wrote:
JohnnyMac wrote:

I haven’t seen any in AA, just one in 18650.


and what would that be?

You beat me to it. I am curious now. Like the OP stated it probably wouldn’t make any difference. I would like to see a XPg vs XP-G2 with 18650 side by side.

Keith

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budynabuick wrote:likeaboss

budynabuick wrote:
likeaboss wrote:
JohnnyMac wrote:

I haven't seen any in AA, just one in 18650.

and what would that be?
You beat me to it. I am curious now. Like the OP stated it probably wouldn't make any difference. I would like to see a XPg vs XP-G2 with 18650 side by side. Keith

Look here. Top of the page has a MG P-rocket xpg straight swap to xpg2.  Second page I post up the same data on an s-mini and a fenix LD01.  No beamshots though....still been too dang warm outside at night.

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scaru wrote:likeaboss

scaru wrote:

likeaboss wrote:
JohnnyMac wrote:

I haven't seen any in AA, just one in 18650.

and what would that be?

http://budgetlightforum.com/node/12370

Arrr...that be the one, matey.

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jmpaul320 wrote:not sure if

jmpaul320 wrote:
not sure if xpg vs xpg2 would really make a difference as far as output with 1aa... even if its 25% brighter... 125 lumens vs 100 maybe?? still has anyone seen any offerings in budget lights yet? ive seen foursevens is offering a few but $62 for a single aa? NO.

 

100 lumens  vs 125 lumens isn't 25% brighter

 

it's 6%  brighter ..

 

a 25% lumen increase equals only 6% extra brightness

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jmpaul320 wrote:not sure if

jmpaul320 wrote:
not sure if xpg vs xpg2 would really make a difference as far as output with 1aa… even if its 25% brighter… 125 lumens vs 100 maybe??

still has anyone seen any offerings in budget lights yet?

ive seen foursevens is offering a few but $62 for a single aa? NO.

There are a lot more important things in a light than a bit of different in output. If you’re going to pay that that much for something, get a zebralight.

Otherwise, get a xpg like Trustfire a3 for <$20.

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Xpg2

The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

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CarpentryHero wrote:The xpg2

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

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Thanks for clarifying

scaru wrote:

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

Ah yes, that I knew

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CarpentryHero wrote:scaru

CarpentryHero wrote:
scaru wrote:

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

Ah yes, that I knew

However, you are technically right because it still is 25% brighter, you just will only perceive it as 6% brighter, aka you wouldn't notice it short of a side to side comparison. 

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True

Which is why I buckled and got an XPG2 preon1 on order. I’m guessing it’ll be more noticeable than 6% with the tighter beam pattern but still only visible upon comparison

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I would be interested in a

I would be interested in a XP-G2 AA.

Maybe E1320 will have a option for his upcoming AA group buy Love

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I’m still waiting for a nice

I’m still waiting for a nice XP-G2 P60 Drop In, wether it is from SF or UF or someone else, I really love the beam profile of the old XP-G (+ OP reflector) and would love to see the new XP-G in a similar setup.

I hope it doesn’t takes the manufacturers too long do produce a nicely driven drop in.

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Perceived brightness

scaru wrote:

CarpentryHero wrote:
scaru wrote:

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

Ah yes, that I knew

However, you are technically right because it still is 25% brighter, you just will only perceive it as 6% brighter, aka you wouldn’t notice it short of a side to side comparison. 

I have done a lot of searching on the internet for a formula for perceived brightness but did’nt find any. Can anyone enlighten me with a link, please?

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sixty545 wrote:scaru

sixty545 wrote:
scaru wrote:

CarpentryHero wrote:
scaru wrote:

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

Ah yes, that I knew

However, you are technically right because it still is 25% brighter, you just will only perceive it as 6% brighter, aka you wouldn't notice it short of a side to side comparison. 

I have done a lot of searching on the internet for a formula for perceived brightness but did'nt find any. Can anyone enlighten me with a link, please?

I have not seen any websites with a formula or anything, this is just what I have noticed. However it may have something to do with the square inverse law. 

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scaru wrote:sixty545

scaru wrote:

sixty545 wrote:
scaru wrote:

CarpentryHero wrote:
scaru wrote:

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

Ah yes, that I knew

However, you are technically right because it still is 25% brighter, you just will only perceive it as 6% brighter, aka you wouldn’t notice it short of a side to side comparison. 

I have done a lot of searching on the internet for a formula for perceived brightness but did’nt find any. Can anyone enlighten me with a link, please?

I have not seen any websites with a formula or anything, this is just what I have noticed. However it may have something to do with the square inverse law. 

I always heard that the eyesight as well as the hearing was logarithmic in nature. Strange that a formula cannot be found.

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Mini AA

I got a FourSevens Mini Ma XP-G2…$39. I run it on a 3v lithium AA primary. A nice little light.

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Yeah 4sevens has there whole line as xpg2

The mini is a great choice. I picked the preon just cause I have the hi cri and coolwhite to compare.

For brightness differences, there’s no chart per say but some good info if you look up magnetic control ring lights. Quality infinitely variable lights step up in a fashion that’s noticeable to the eye… Which if I remember right is roughly 40% increases in brightness to be visible to the eye

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i know that the difference

i know that the difference between 360 and 650 lumens from my zebra (i believe those numbers) isn’t THAT big in real life
but side by side you should be able to see the difference between xp-g and xp-g2 (mainly in throw)

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The XP-G2 tint is nice and

The XP-G2 tint is nice and white. No sign of the green meanies.

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CarpentryHero wrote: For

CarpentryHero wrote:

For brightness differences, there’s no chart per say but some good info if you look up magnetic control ring lights. Quality infinitely variable lights step up in a fashion that’s noticeable to the eye… Which if I remember right is roughly 40% increases in brightness to be visible to the eye


What infinite variable lights are out in XP-G2?

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CarpentryHero wrote:scaru

CarpentryHero wrote:
scaru wrote:

CarpentryHero wrote:
The xpg2 has a tighter beam profile, better efficiancy and I would call 125/100 lumens, 1/4 more so 25% brighter. Am I wrong?

What Boaz is referring to is the fact that it takes quadruple the lumens for your brain to perceive double the brightness. 

Ah yes, that I knew

 Yeah i think this is where lots of people just get confused on flashlights .It seems people shop according to specs and boys being boys think that bigger is better .So now we have chinese vendors lying to people who miss the  fact that there is virtually zero difference between a 800 lumen light and a 500 lumen light .

 I proved this to myself  a long time ago when I took 7 Tank 566's and rubberbanded them all together in a  Chunk -O-Light.

Clicking each 170 lumen light on one after another proved to me that ..

Two wasn't twice as bright as one ...

and with each click ..adding 170 lumens ..nothing very exciting was happening very quickly .. each added light didn't add much light to the beam .

but a +1000 lumen light  2 years ago seemed pretty impressive to a noob like me .

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Ouchyfoot wrote:CarpentryHero

Ouchyfoot wrote:
CarpentryHero wrote:

For brightness differences, there’s no chart per say but some good info if you look up magnetic control ring lights. Quality infinitely variable lights step up in a fashion that’s noticeable to the eye… Which if I remember right is roughly 40% increases in brightness to be visible to the eye


What infinite variable lights are out in XP-G2?

I don’t know of any yet. But I may send a Sunwayman off to my favorite modder to get one as it’ll be months before we see anything. Ualnosaj might be able to pull off a limited run batch Wink should I ask him?

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oldbobk wrote:Boaz,   

oldbobk wrote:

Boaz,

     Perceived brightness is dependent on how you are using the light. If you’re shining the light at a wall 3 feet away, the reflected light will affect the eye, so the brighter light doesn’t look all that much brighter. I kinda did this purposely with the drivers I asked JonnyC to reprogram for me. I wanted 100-60-20% modes. At close range, the 100 % does not look dramatically brighter than the 60%. This was my goal. I can see very well out to 100 yards at 60%. This is including the spill. Where the difference in brightness shows up is at the extreme range of the light, where the reflected light is not shutting down your eyes. At, say, 150 yards, the difference between 100 and 60 is very apparent. What I have, in effect, is a light (at 2.8 Amps) that has three modes, medium-high-turbo. The lowest mode  being 33% of the next highest mode duplicates the mode spread between medium and high with the Nanjg driver. Instead of having a low that is too low to have much utility outside, I have a turbo that throws an amazing distance, for a P60. Lotta bang for the buck with this setup!

                                                               Bob K


Thats a good way of saying that Bob.

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How does this theory apply to

How does this theory apply to neutrals. I just ordered a neutral thrower with lesser lumens than the cool white. Will there be any perceived difference? Will the neutral actually let me to see more? What differences will my eyes see?
I’ve seen some discussions about this somewhere, but I’ll have to admit I didn’t really understand it all.

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Thanks oldbobk

I figured the neutral would help me understand what I was seeing better.

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Depth perception with neutral

Depth perception with neutral and especially High CRI is a lot better than with cool white lights and outside in nature the most rare color is blue... so a lot of the high power blue light gets rather absorbed than reflected back.

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OTOH, cool white is better at

OTOH, cool white is better at low lumination conditions since you’re not going to be seeing much color anyway, and CW reveals edge contrast better. IOW, neutral and warms work best at higher modes.

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