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Old Sep 16, 2011, 05:05 AM
TheNiceGuy is offline
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Toothpaste to buff GoPro case lens scratch?


Hi all
Does this actualy work? I've heard others using silver polish as well.
I'm referring to the case lens, not the camera lens.
I have a couple of small chips that show as blurr spots on film.
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Old Sep 16, 2011, 08:22 AM
wetstuff is offline
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Do you mean the waterproof housing? .. Light scratches can be filled with fancy auto sealants (car wax). 'Klasse' from Germany is an old classic. I use these on my glasses also.

There are specific polishes for plastic. Micro-Mesh makes a kit, 210 Polish and a variety of others are used on sit-in aircraft but you may be better off buying another housing. I got one off Ebay for $25. because I broke the clasp. GoPro even sells an extra lens itself.

When you said 'chips' - it says to me your lens is toast. You would have to 'polish' to the bottom level of your chips .. with potential for distortion.

Jim
Old Sep 16, 2011, 09:08 AM
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Not to mention, once you buff out the scratches, the optical transmittance of the cover is distorted creating weird stuff in the image.
Old Sep 17, 2011, 11:37 AM
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Quote:
Originally Posted by TheNiceGuy View Post
Tried that solution, did not work at all, and the scratch I had was not all that bad.. order some spares, that's what I did, also ordered some of those tough skin coverings for the gopro case and lens, but haven't tried them yet.
Old Sep 17, 2011, 12:05 PM
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That is sliver polish not toothpaste..if it were toothpaste then the next question will be what flavor????
Old Sep 18, 2011, 02:08 AM
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Folks - by all means give these a go. Some report success.

Me? I once spent a couple of hours trying to buff out two pits on the GoPro housing lens (not the lens on the camera). I tried toothpaste (>1.5 hours) and Silvo silver polish (>1 hour). In the end, I did partly remove the pits but was left with more "blur" than I had previously had.

Here's with the original small pits - almost unnoticeable.

Here's after the toothpaste and Silvo.

I ended up buying the lens replacement kit. Voila!

Simon
Old Sep 18, 2011, 12:21 PM
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I got some of these, but haven't put them on yet. I'll try one on the housing lens, not sure if I want to put one on the camera itself or not though..
Old Sep 19, 2011, 11:26 AM
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Check out your local auto parts store. Look for headlight lense polish. It is a plastic polish with a fine abrasive. Worked a treat on my headlight covers. Even used on my glasses to smooth some minor abrasions. Some different flavors available, kits with grades of fine sandpaper and polish, or just a bottle of polish.

Alfred
Old Sep 19, 2011, 12:49 PM
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Before I went into the ministry, I was a glass man. Glass cutter, Glazier, and we also worked in plastics. The rule of thumb for glass or plastic, is, if you can feel it with your finger nail it can't be buffed out, with out distorting the face of the glass or plastic. Since it is a lens or works with a lens, I wouldn't recommend it. Either buy a new case, or cut out part of the area large enough to put a new piece of plastic in that area. Using Loctite plastic glue. Make sure you make it water tight again. Hope this helps.


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