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Old 05-14-2011, 06:33 PM #1
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Unhappy Didla focusing lens?

I just got my new didla (dx 200mw)

$27.09 - High-Power 200mW Red Laser Pen (Burns Match + Visible Beam Daytime) - Red Lasers

And the focusing lens has the most annoying semi-circular mark on it. I contacted the company and they want me to send the whole thing back for a replacement. I don't wanna wait another month so I was wondering if anyone had a lens for it that is scratch free that they'd be willing to part with. This may sound stupid to ask because who is gonna give away a good lense for their laser but maybe if someone burnt theirs out?

I'll pay for it. Just gimme an offer.


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Old 05-14-2011, 07:29 PM #2
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Default Re: Didla focusing lens?

Do you only see the Circle Ring Around the Dot when you are Up close.?

If so then its the Lens.

It uses IIRC a standard Aixiz Uncoated Acrylic lens and they have the Ring around the dot due to an Internal Reflection of the lens.

I will find the Picture that i took showing hat is causing this reflection.

Edit:

Here is what is causeing this Reflection:


The Older style Aixiz Lens that had the Small opening in the back did not have these Rings IIRC.

DO you have a picture of the lens and assemble. You might be able to Fit a Red Glass Full threaded lens and this will get rid of the rings 100%.

IF this is not it. Then can you take a Picture of the Circle you are speaking of.
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Last edited by lazeerer; 05-14-2011 at 07:34 PM.
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Old 05-14-2011, 07:33 PM #3
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Default Re: Didla focusing lens?

Nah, When unfocused it is a semicircle inside of the large dot. And when focused to a small dot it turns into an annoyingly large amount of diffraction around the halo, which is wasted burning power.
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Old 05-14-2011, 07:35 PM #4
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Default Re: Didla focusing lens?

Is the lens in Backwords.

Can you take a Picture of the Lens in its assembly.?

Can you take a Picture of the Dot showing what you see around it.?
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Old 05-14-2011, 07:51 PM #5
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Default Re: Didla focusing lens?



That's the dot. It's even worse when focused.
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Old 05-14-2011, 07:56 PM #6
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Default Re: Didla focusing lens?

I would like to see when then the dot is focused. Also If you can take a Picture with the lens removed from about 3 feet from the wall.

Please make sure you are wearing your goggles.


Did you try cleaning the lens or something.
?

That looks like a bad attempt to clean the lens .

Can you take a Picture of the Actual Lens.

So i can see if i have one that i can send you if you cover shipping.?
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Old 05-14-2011, 08:36 PM #7
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Default Re: Didla focusing lens?

Here's the focused dot:

Here's the Lens:

And here's the diode's light on the wall without the lens:
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Old 05-14-2011, 08:49 PM #8
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Default Re: Didla focusing lens?

OK.

Now a few things. I do have a couple lenses that i can ship to you.

I can ship one to you that is i identical to the one that is in your laser now. Just pay shipping and its yours.
OR
I have A few AR coasted Acrylic lens that will give you a slight increase in power. Witch i will sell it to you for $3 + shipping

Now where you burning anything with this laser and got smoke on the lens.?

Iam Thinking that you either got smoke on your lens that damaged it. Or the Acrylic lens Failed.

I dont think the acrylic lens failed at that power.

Was the lens always like this from the start.? It looks like a bad cleaning with a Q tip. maybe before they shipped it to you they tried cleaning it with a Q tip then give you a new laser.

Let me know if you want the lenses. I can ship them out to you on Monday since tomorrow is Sunday.
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Last edited by lazeerer; 05-14-2011 at 08:53 PM.
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Old 05-14-2011, 08:54 PM #9
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Default Re: Didla focusing lens?

Ya, it was like this from the start. I'd like the second option. How much increase in power are we looking at? And how much will shipping be?
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Old 05-14-2011, 09:14 PM #10
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Default Re: Didla focusing lens?

PM sent
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473nm 178mW CNI-PGL-III-C , 56mW CNI-PGL-III-C
488nm 52mW OPSL SAPPHIRE 488-50, 59mW SS Melles Griot BCD-50&BCD-25 35mW
515nm 83mW Direct Green Diode Fully Custom Host
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589nm 130mW CNI-PGL-III-A
594nm 13mW CNI-PGL-III-C
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685nm 44mW MXDL 2x AAA Pen, 41mW, 130mW Stainless Shadow
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LPM's 2W/5W Ophir
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