Old 02-06-2010, 03:10 AM #1
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Default Blu Ray Lens

I have a 6x diode with an acrylic lens and I have been thinking about upgrading it, at least to an aixiz glass. I have read several posts that mention that 405 nm tends to degrade acrylic lenses more quickly than red. Any idea why this happens? And how many hours would a typical acrylic lens last, assuming approximately 200 mw?


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Old 02-06-2010, 03:12 AM #2
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Default Re: Blu Ray Lens

I don't think anyone here has done that kind of quantitative work. Most people either get a low loss glass lens or just replace the acrylic from time-to-time.

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Old 02-06-2010, 03:39 AM #3
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Default Re: Blu Ray Lens

FlightLevel350;

If the 200mw BR is focused at a few inches for burning, the 50 cent lens will deteriorate in an hour of use.

A well-designed short F.L. AR glass lens will give you 30% more power out,
and a narrower beam in addition.

That would be 260mw, if you are at 200mw with the plastic lens.

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Old 02-06-2010, 07:10 AM #4
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Default Re: Blu Ray Lens

I have noticed some degredation on my lense after increasing the power of my O-Like focusable. the 'splash' looks like a star almost, and a lot of noise around the dot. This is only after an hour or 2 at most of use.

I'd love to get a glass lense from Larry or jayrob, but I just dont have the cash. will the cheap glass lense from AixiZ be much of an improvement? I know power wont increase, but I guess it wont degrade near as quick.

I guess its from the heat the Diode puts onto the lense thats distorting it so fast??
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Old 02-06-2010, 07:22 AM #5
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Default Re: Blu Ray Lens

AixiZ are good lenses...

For blu-ray, do not use their normal glass lens. They have a 405nm glass lens that will be about 5% more power for blu-ray vs AixiZ acrylic.

I compared several lenses for red and blu-ray here:
http://laserpointerforums.com/f49/po...ray-33965.html
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Old 02-06-2010, 07:26 AM #6
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Default Re: Blu Ray Lens

Ahh, Thanks for pointing that out Jayrob! Though I have no idea how one ould fit into the O-like module...

I seen in another thread you mentioned about a 'sure' module, could this be the one used in the O-Like Pens??
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Old 02-06-2010, 07:30 AM #7
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Default Re: Blu Ray Lens

Not quite sure what module they use...

There are a few modules that fit AixiZ lens threads. In fact, AixiZ doesn't manufacture the modules or the lenses. (I don't think)
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Last edited by jayrob; 02-06-2010 at 07:39 AM.
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Old 02-06-2010, 07:36 AM #8
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Default Re: Blu Ray Lens

Hmm, I can get an Aixiz moule for aout 5 shipped here in the uk, and will get it the next day. I will try to order one next week and have a look.

I asked a mate to look for 'broken' DVD burners at the car booot sale. so should get a diode cheap for a nice red burner.
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Old 02-06-2010, 02:29 PM #9
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Default Re: Blu Ray Lens

Quote:
Originally Posted by IceNoise View Post
Hmm, I can get an Aixiz moule for aout 5 shipped here in the uk, and will get it the next day. I will try to order one next week and have a look. .
That's a lot of !
In the States, these can be had for $3 to $5... I suggest you try our good friend Kendall at Hightechdealz.com... he has those for less than $4:

HTML Code:
http://hightechdealz.com/index.php?main_page=product_info&cPath=1&products_id=11
With shipping cost, I'm sure it's going to be less expensive than 5.

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Old 02-10-2010, 01:07 AM #10
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Default Re: Blu Ray Lens

Thanks for the heads up Robert. I will keep them in mind, but for the sake of about 1.50, I'm not that bothered, Id rather know its coming the nex day.

If i was ordering $200-300 of laser, it would be a different matter.
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