Posted: 4/2/2015 7:33:09 PM EDT
[Last Edit: minion42][Edited]
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It's probably a bit of the sealant that they use. Some guy, I think, had a similar issue and sent it back. It's up to you to send it back if it bothers you that much.
On my first PRO I saw a bit of refraction inside the tube when using it out in bright daylight. I was all |
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