SVP cameras are sold by many different outfits on eBay and the ads usually contain misleading information. Some border on fraud.
The DC-8510 is not 8 megapixels.
It has a Micron CMOS sensor (2048x1536) which is 3 megapixels.
This camera also uses AAA batteries which means you will be changing batteries very often.
Here is a link to SVP website.
http://www.svp-tech.com/index.htm
It contains a list of cameras they sell to dealers and a short specifications list for each. Read the specifications carefully. You will notice that SVP also misrepresents the megapixel capability of their cameras.
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I would suggest you buy from a name brand camera company.
A similar but better camera is the Olympus D425.
It sells for about $125
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has anyone bought this camera so they can tell me if they were satisfied with the quality or not. On e-bay it is advertised for 8.0 megapixel.

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