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Blue Laser at Ehobby Asia


kojak

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I'm pretty sure this is the same housing used for the green ACM lasers; when mine shows up I'll let you know if they work.

 

 

Lasers are kinda gimmicky and dangerous, but I was already looking for a green one for my new secondary.

 

 

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Also, my guess is that it is the violet/blue-violet (405nm) diode like the ones used in bluray players, and not actually blue (473nm), though apparently they are still considered blue lasers (http://en.wikipedia.org/wiki/Blue_laser). If so, I've already got one that I made. It'll be more like a black light than a blue laser pointer. It'll make things fluoresce, but it really isn't that bright unless you put a fair amount of power into it (a 5mW blue-violet laser pointer is nowhere near as visible as one with maybe 50-100mW, and even then, unless the beam is fairly well collimated, it's still hard to see at distance, even in the dark). I picked up a 5mW blue-violet laser pointer for like $17 (and they can be gotten cheaper from HK), but a 473nm blue laser pointer is going to run closer to $300 and up. I'm kind of surprised at the specs (only slightly), since it apparently runs off of one 3V battery, where the diode I have has a forward voltage of like 4-5V. The laser pointer, though, runs off 2 AAA's, so I guess it's not too much of a shock.

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I see no advantage in a blue laser.

 

The red ones work well because the brain is rigged to 'notice' red (nature's danger signal) over all other colours.

 

Green, because the eyes work best in this area of the spectrum, picking up green, more than any other colour. Due to evolving in an environment where green is the broader part pf the natural visible light spectrum.

 

Mw for Mw, green seems 4 times brighter than red, under natural sunlight & 5 times brighter, in pitch black.

 

Blue is not particularly noticed by the brain & does not offer the eyes as big an advantage as green does.

 

So, this is just a fashion statement, it offers no practical advantage.

 

 

Greg.

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I'll make no bones about it, I am far more interested it it for the drunken lightsabre fight potential than seeing targets at distance :). Seems it likely won't meet my green laser for specs though if it's really violet.

Fair play. :D

 

I make no judgment on this, just thought I'd point it out, for those that thought it was 'new', thus 'better'. ;)

 

Do a bit of googling to find out more, but the frequency is the all important figure. That & the power.

 

These are definitely going to be blue/violet, around 405nm. They will probably next to useless in daylight, showing up less for any given power, than the typical 635(ish) 'red/orange' laser. They will however appear a little brighter than a like for like 635 in dark conditions. No where near the apparent brightness of a green 532.

 

For a true 'blue', 473nm laser, you can currently expect to pay about 15 times more than a blue violet. Like for like power, these appear about as bright as a 'green' in daylight & a little brighter in the dark.

 

As per the greens, watch out with your eyes (& those of fellow players), items under $150 are not likely to have that all important IR filter & are therefore, more likely to cause damage. Especially if they are over 5mw in power. Which, in order to appear 'brighter', they are likely to be.

 

 

Greg.

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Actually "green lasers" are made a to dazzle people by beaming in their face right? Not as an aiming device.

Realy? where did that come from? :huh:

 

I always thought, they came out of the need for, a low battery consumption, daylight visible, target marker? I must be reading all the wrong journals. :D

 

 

Greg.

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Actually "green lasers" are made a to dazzle people by beaming in their face right? Not as an aiming device.

 

Therefore, does anyone dare to point a "china" laser at somebodies eyes in the first place?

 

kinda off tpoic I think, but anyways.

 

Actually, that's stupidly dangerous, regardless of the laser manufacturer.

 

I use my green laser as a long-range daytime target designator.

 

"He's behind that wall."

"Which wall?"

"THAT wall. Look for the green dot."

"Oh right. Flanktimes?"

"Flanktimes. Lay down some fire on that wall, please."

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If I was in a life or death situation I'd lightsabre their eyes till the cows came home.

 

However, we're never put in a life or death situation in airsoft. Thats the whole idea, so there's no need to do that and risk giving someone serious eye damage.

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stars at about 5min in

 

I've been aware of 'focusable', lasers for some time.

 

I think this 'broad beam' version has been developed, subsequent to their use as daylight aiming devices.

 

Interesting, that crash test dummy Matt, was happy to take a point blank blast in the face, with no apparent, long term, after effects. ;) I wouldn't try that with a cheap knock off. :(

 

 

Greg.

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Absolutely.

That's why I asked myself all the time why airsofters used green lasers.

 

Didn't consider they are just "regular" green Laserpointers.

Well, as per any other legitimate user, they offer a brighter alternative than red.

 

They will appear, up to 5 times brighter than a red laser, with the same power level.

 

As Matt can testify, if the power does not exceed a certain level & the IR protection is in place, they will also, be equally harmless.

 

 

Greg.

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1, most of the indoor sites i"ve played at don"t allow green lasers due to the dazzle danger

2, so i wonder what"ll be the score on blue ones ?

1, Which sites?

 

2, This will probably depend on the power of the laser used.

 

As said, this particular colour, will only be perceived as, slightly brighter, than an equally powered 'red' laser, in 'non-sunlit' environments.

 

Also, for fear of repeating, if they are of the correct power & have the appropriate filters, (no matter, how bright, they appear) there will be little or no chance of any permanent damage.

 

 

Greg.

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weird, I've never been anywhere they've said "no green lasers". I haven't used mine in a while but I would do if the circumstances arose. And have done a lot in the past. They're dead handy for designation and also a bit of intimidation.

UCAP and the first&only sites i"ve played at don"t allow green lasers .

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UCAP and the first&only sites i"ve played at don"t allow green lasers .

I wouldn't use a 'green' in a non-day-lit environment. They tend to give trace back, notifying enemy of your exact location.

 

Doesn't surprise me about F+O, they run a very tight ship. H+S is a priority & they don't take any chances.

 

 

Greg.

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