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Old 12-21-2016, 10:55 PM #1
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Unhappy HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

Hello, so I recently purchased the $55 445nm 1 Watt laser from o-like. I've purchased from them before, and I trust them. Anyway, everything was all fine and dandy when I received the laser. Shortly after, I noticed that when I spun the focus back to its "original" position (where it should be a straight beam), it was not focused and had a large dot. In order to get a straight beam, I have to manually focus otherwise to achieve that. I don't know what happened or how to fix it. I would like it to return to a straight beam when I spin back the focus the entire way. I know this was worded poorly, but hopefully you guys can catch my drift. Let me know if you have any questions.


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Old 12-21-2016, 11:34 PM #2
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Default Re: HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

Sounds like the lens came a bit unscrewed (or screwed too far in) from the focus assembly. (focus ring) You'll have to remove the focus assembly and screw the lens back in a bit then put it back on the host and test to see if its screwed in enough. When I do this, after finding the "sweet spot," I typically put a very very small amount loctight on the threads to keep the lens in place in the focus assembly.

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Old 12-21-2016, 11:48 PM #3
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Default Re: HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

I've already examined over the laser. I've had it apart and I cant find a spot where i can screw the lens back in or out. There is just the focus lens and thats it.
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Old 12-21-2016, 11:50 PM #4
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Default Re: HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

Can you show us what laser you bought? Pics or at least a link?
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Old 12-22-2016, 12:04 AM #5
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Default Re: HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

New waterproof Blue laser 1W torch /focusable [OL-BLUW] - $54.99 : Zen Cart!, The Art of E-commerce
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Old 12-22-2016, 03:56 PM #6
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Default Re: HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

So that ring on the tip doesnt unscrew from the whole device?
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Old 12-23-2016, 04:21 AM #7
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Default Re: HELP Incorrectly Calibrated Focus O-like 1 Watt 445nm

It does but that's not even how you focus the laser. I believe it only provides a protection to the lens within. When it screws off, the focus does not change at all
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