Does anyone know what this black line is from, I put a circle around the area of question ?

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!](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1376924/SingleShot0001(2)_inline.jpg?1457188505)](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1376924/SingleShot0001(2).jpg?1457188505)

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Hello Richard,

Thanks for contacting us!

It looks like there may be a small hair or piece of dist on the lens. Have you tried cleaning the outside of the lens?

Cheers,

Sam Morgan
Plugable Technologies

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No, not yet, looks like a good " Trade Mark " to me . Lol …

What’s a good way to clean the lens ?

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If you extend the lens all the way down, you should be able to clean it gently with a little alcohol and a cotton swab.

If this doesn’t help, you likely have debris from manufacturing inside the lens housing. In that case, please get in touch with me at support@plugable.com and I’ll get a replacement headed your way…

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Here’s an image after cleaning the lens .

It did help, but it’s still there and I put a yellow circle around the area of question …

!](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1382836/789_inline.jpg?1458148038)](https://d2r1vs3d9006ap.cloudfront.net/s3_images/1382836/789.jpg?1458148038)