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Going to purchase from Jetlasers today and need your help

Podo

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Nice to see a new jetlasers user, waiting for your reviews as I never seen the new jetlasers's host.
 

PhillyAnt

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Nice to see a new jetlasers user, waiting for your reviews as I never seen the new jetlasers's host.
It's pretty exciting. I just opened up everything and started to put things together. I was going to post a video but instead am just taking a bunch of high quality pictures that will go over the full unboxing. These things are beautiful! The beam expander and two hosts just feel like good high quality well built pieces.

The 2W 445nm I ordered is listed as a 450nm. Should I be concerned with that or are all 445nm's actually 450nm? I also thought I would get a spec sheets with these showing their actual measured power. I guess that is something I will have to test on my own? I am going to email JetLasers and ask them about this.

Full gallery will be coming soon. I am going to bed now and will hopefully have it finished tomorrow.
 
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DHL delivered it and a signature was required.

It actually turned out to be a double surprise today. A few hours later I checked my mailbox and my protective goggles and batteries were in there. Yay! It's time to get to work opening the new toys. I am going to either take pictures or video of the unboxing and will share it here.
That's excellent news for you!
My glasses showed up yesterday and I tested them with my unknown powered green laser. They worked fantastically.
That's weird DHL delivered it to you because mine is stuck in Anchorage saying delivery arranged no details expected.
I dunno, I guess I'll just have to wait here at home all day anyway.
Are they awesome? What batteries did you get for them?

I just talked to DHL and they had handed it over to USPS. I talked to them and it's out for delivery today.
 
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PhillyAnt

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Than excellent news for you!
My glasses showed up yesterday and I tested them with my unknown powered green laser. They worked fantastically.
That's weird DHL delivered it to you because mine is stuck in Anchorage saying delivery arranged no details expected.
I dunno, I guess I'll just have to wait here at home all day anyway.
Are they awesome? What batteries did you get for them?
I haven't powered them up yet. I got Orbtronic 18650 3400mAh batteries for them. These lasers are huge! The blue one is 14 inches long and the beam expander adds another 4 inches to that. I am still wondering why it is labeled as a 450nm when I purchased a 445.
 

Encap

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I haven't powered them up yet. I got Orbtronic 18650 3400mAh batteries for them. These lasers are huge! The blue one is 14 inches long and the beam expander adds another 4 inches to that. I am still wondering why it is labeled as a 450nm when I purchased a 445.
Nothing like starting off with the best professional level lasers made. Lucky dog.

Enjoy it !

Be careful about eye safety---accidents happen so fast with lasers that you are not even aware anything happened until it is over/too late to make any correction. You have no idea/no frame of reference to understand damage at the speed of light from any other aspect or activity in life.

With the output you now own, in less time than human blink reflex --0.25 second --occular damage up to and including being permanently blind, can easily occur. Be Careful - gain experience in handling in general , learn what lasers do/how laser light behaves when interfaced with with the world you use the laser in/the world around you. Learn to handle properly and safely.
Is not a toy - is a very dangerous laser.
 
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hakzaw1

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Knowing Gray and JL you can be sure yours is 450nm-not a real big diff from 445nm.

Both JL and I use DHL express exclusively- for me, at least, they have a perfect record for quick and un-opened packages(100times maybe)--well worth the extra $$==for me its NOT about the speed of delivery.


also about the 445/450 thing ---- I know for a fact that a few makers intentionally did not say they use '445nm' when in fact they did--the reason?? They just did not want ANY flack coming from Kasio..


+6 to Encap for the accurate info.

what many here don't know is that our eye's own lens can magnify the power by 100,000 times. this can ONLY happen if the laser is perfectly aimed at the VERY center of your eye-think of this like the sun and a magnifying glass.

We use a standard exposure of .25 seconds when calculating danger. Under 'normal' circumstances we blink or block that quickly involuntarily. I guess you could stare endlessly if you were on PCP. IDKFS
 
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Mine came in today! It is a beautiful host an an beautiful beam! I am super happy and have already tested it's burning abilities. I was able to burn letters of the alphabet in a 2x4 from three feet away (free hand). I will say, the safety glasses make a freaking huge difference in visible light. They make the beam disappear and the dot becomes a small orange speck that is really easy to see. I set the laser dot on the board and stepped back about ten feet then took my glasses off. OMG the dot is bright! Now I can appreciate why the glasses are needed first hand. I'll probably be taking some pictures later on but the last time I tried to upload, it had me downgrade the hell out of the pictures. I don't know how to upload HD pics when it'll only allow 600x800...
 

PhillyAnt

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Nothing like starting off with the best professional level lasers made. Lucky dog.

Enjoy it !

Be careful about eye safety---accidents happen so fast with lasers that you are not even aware anything happened until it is over/too late to make any correction. You have no idea/no frame of reference to understand damage at the speed of light from any other aspect or activity in life.

With the output you now own, in less time than human blink reflex --0.25 second --occular damage up to and including being permanently blind, can easily occur. Be Careful - gain experience in handling in general , learn what lasers do/how laser light behaves when interfaced with with the world you use the laser in/the world around you. Learn to handle properly and safely.
Is not a toy - is a very dangerous laser.
This thing is bright. I mean ridiculously bright lol. And I am just talking about the 500mW 532nm laser. I haven't powered up the 2W 445 yet. Even with my goggles on it still hurt to look at that dot on my wall from 15 feet away. I have the Eagle Pair 190-540nm Safety Goggles with an OD 4+ rating, but I still kinda wish they blocked more. I gave it a quick wave outside my window and it just lit up the sky. I am going to give it plenty of practice outside before I mess with it inside my house. I want to learn how the beam reflects off of different surfaces so that I can be better prepared when I am inside.
 

mortuus

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a 2W laser indoors should never be used without having goggles on unless you are 100% certain what you are doing that kind of power you dont want anyway near your eyes or even a 500mW 532 or any other wavelength laser. Outside you can have a 10W laser if that existed and point it up in the sky and dont worry about reflections and that. Indoors i find my 520nm on 100mW crazy bright and lits up my small room like crazy.
 
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Encap

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a 2W laser indoors should never be used without having goggles on unless you are 100% certain what you are doing that kind of power you dont want anyway near your eyes or even a 500mW 532 or any other wavelength laser. Outside you can have a 10W laser if that existed and point it up in the sky and dont worry about reflections and that. Indoors i find my 520nm on 100mW crazy bright and lits up my small room like crazy.
!00% spot on advice!

PS Keep in mind--ocular damage, if any occurs, can take up to 3 days to manifest any symptoms---looking at a 2W dot insde on a white wall is something you should never do---can certainly cause damage and you will not know if it has occured until you pass a 3rd day mark with no symptoms of apparaent damage.
Keep in mind that does not means there was absolutely no damage either, just there the was no damage that was symptomatic/that causes noticable symptoms of damage. Ocular damage from lasers is acumulative over time, not just acute/immediate.
You may get away with 9 times---but do it 1 more time and after the 10th time of no problem or damage, all of them combined over time at this point produces a noticeable symptom from doing what you thought produces no damage or symptom same as prior.

Also be aware of "blue hazard" --blue 445nm or 450nm light cause chemical changes in the eye:

" Blue-light hazard is defined as the potential for a photochemical induced retinal injury resulting from electromagnetic radiation exposure at wavelengths primarily between 400–500 nm. This has not been shown to occur in humans, only inconclusively in some rodent, primate and in vitro studies.[4] The mechanisms for photochemical induced retinal injury are caused by the absorption of light by photoreceptors in the eye. Under normal conditions when light hits a photoreceptor, the cell bleaches and becomes useless until it has recovered through a metabolic process called the visual cycle.

Absorption of blue light, however, has been shown in rats and a susceptible strain of mice to cause a reversal of the process where cells become unbleached and responsive again to light before they are ready. At wavelengths of blue light below 430 nm this greatly increases the potential for oxidative damage. For blue-light circadian therapy, harm is minimized by employing blue light at the near-green end of the blue spectrum. "1-2 min of 408 nm and 25 minutes of 430 nm are sufficient to cause irreversible death of photoreceptors and lesions of the retinal pigment epithelium. ... The action spectrum of light-sensitive retinal ganglion cells was found to peak at 470-480 nm, a range with lower damage potential, yet not completely outside the damaging range." A 2014 study found that LEDs cause retinal damage even in settings where they are used indirectly, such as household light bulbs.

A 2013 in vitro study using shorter blue band spectrum LED lights indicated that prolonged exposure may permanently damage the pigment epithelial cells of the retina. The test conditions were the equivalent of staring at a 100 watt blue incandescent source from 20 cm (8 in) for 12 hours."

from: http://en.wikipedia.org/wiki/High-energy_visible_light
 
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PhillyAnt

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Are you guys saying that it was foolish of me to look at the dot on a white wall even while wearing my goggles? I would NEVER be stupid enough to do it without, but if doing it while wearing them is dangerous too, than I better rethink this whole laser ownership thing. I am a very responsible and careful person and you guys have me worried now lol.

Anyone want to buy 2 brand new lasers? :eek:
 

Encap

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Are you guys saying that it was foolish of me to look at the dot on a white wall even while wearing my goggles? I would NEVER be stupid enough to do it without, but if doing it while wearing them is dangerous too, than I better rethink this whole laser ownership thing. I am a very responsible and careful person and you guys have me worried now lol.

Anyone want to buy 2 brand new lasers? :eek:
Sorry--was my mistake.
I took it that you did the wall at 15 feet with the Jetlasers PL-E Pro, 2W, 450nm without goggles. My apologies for the error. Glad it was not the case.

2W is so powerful----if you must use it indoors --100% of the time only with goggles for sure.

Google " blue hazard" learn more----is a different situation tham with any other laser wavelength. Nothing else presents this chemical change hazard--just burn hazard.
 
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Are you guys saying that it was foolish of me to look at the dot on a white wall even while wearing my goggles? I would NEVER be stupid enough to do it without, but if doing it while wearing them is dangerous too, than I better rethink this whole laser ownership thing. I am a very responsible and careful person and you guys have me worried now lol.

Anyone want to buy 2 brand new lasers? :eek:
That is ridiculous, it is safe to look at the dot while wearing proper safety glasses. It is safe to look at the beam without glasses if you do so without looking at the dot. If you look at the dot without glasses it may be brighter even than the sun, it depends on the surface and how far away it is weather or not you can look at it without glasses, if you do look at it without glasses you should be able to tell if it's too bright or not. While burning anything glasses are always needed, this would normally be done up close though anyway, not 30 feet or more away.

Alan
 

mortuus

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Encap wow is that really true? so even looking at a blue light beam is a hazard now? i dont get it.
 




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