Nice write-up.

I looked at the specification on the SVP website and it has a 3.1 megapixel sensor.

Here is what they state:

OmniVision 3610 1/2" 2048x1536 CMOS.

That sensor is 3.1 megapixels.

You should only use 3.1 megapixel setting for the best quality photos.

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Here is their website:
http://svp.genesisdsc.com/index.htm
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Glad it is working for you.

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