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if you order from wlaser contact him first!!!! l.p.f.members get cheaper rate greens 7.00 usually 1$ cheaper than whats listed on ebay...
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....he is still selling lasers on ebay .....yes you can contact him for verified output on specific lasers wlaserservice@gmail.com his name is bin yu make sure you tell him you are a l.p.f. member for discounted rate..
so is wlaser the one at the ebay link that was posted: ( 5mw Blue Laser Pointer For Teaching Business&Fun - eBay (item 110598296544 end time Nov-12-10 18:13:23 PST) ) or is he another ebay seller ?
I also bought a few 50mw's from LED Shoppe and they were awesome. I bought them back in March or April.
I sent them an email saying mine was underspec-- hoping what sandidgepatrick says is true and I can just get a replacement tossed in with another order. Those UV-LED/white LED/red laser pointers do look cool-ish, and I wouldn't mind getting several of them.
Heya.
I recently bought a pointer advertised as 50mW from LEDshoppe. My excitement was enormous-- I was mainly planning to use this for sky pointing, and was expecting a highly visible beam not only at night but at dusk as well as indoors in moderate lighting. However, I am pretty dissapointed. From other people's reviews of the pointer, I was expecting a power somewhere between 35 and 80 mW. If I read right, a power of >35mW would be visible in a moderately light room and should punch through black trash bags.
Even after allowing the pointer to warm up a bit, and using fresh eneloops, the beam is totally drowned out if I turn on any lights in my apartment. I can see a dim beam outdoors, but even shining near a full moon washes out the beam. The laser didn't have a hope of poking a hole through a black garbage bag. Holding the dot against a steady point on my hand didn't even feel warm, and was bright though not dazzling. From those observations and reading around, it seems likely that this greenie is throwing maybe 10-15 mW of light, much less than I had planned for. Additionally, the shipping took a week longer than I estimated. LEDshoppe, I am disappoint.
Would it be worthwhile to contact them to see if I can get a refund/replacement? Somehow, I suspect being on the other side of the planet will make customer service a bit awkward.
Apart from fresh batteries and warming the laser up, are there other things I can do to get nearer the rated power output?
I hope I don't have to buy another pointer to compensate for the failings of this one; I'd rather spend my meagre undergrad budget on collecting more wavelengths. Advice?
if its really as underspec as u say it is try potmodding it SLIGHTLY and i cant stress that enough, a little can go a long way, just know that u will be reducing the life of the laser but if its as cheap as ur making it sound its no real loss
As a laser noob I have never tried pot-modding myself, but from some of the posts I have read on the forum it seems there are some who recommend against it.
I guess an important deciding factor is a combination of how much you paid for the laser as well as how tight of a budget you are on.
If you are on a tight budget then breaking a $25 laser might hurt a bit :undecided:
If you have lots of extra cash for hobby stuff, and it's just a cheap $8.00 laser then it probally would not be a big deal.
trust me im tight with my wallet but i took circuit measurements when i pot modded my laser pointer and only upped the current by around 10-20mA its all a matter of not getting carried away also keep in mind your laser is probably not IR filtered so extra precautions should be taken into consideration while using your laser
I understand what you're saying as far not turning it up too high, my other concern is how I have read where some have broken their lasers simply trying to take them apart to get to where they can turn it up some.
As easy as some say it is to pot-mod, how high are the chances of breaking it while trying to do so ?
Please let me know what they reply, thanks !
(those UV lights do seem neat, but whether I order from them again depends on how they handle customer support in getting me a good laser or not)