one small note:
The BMP format makes for a better image than the JPG format. JPG is 
compressed, so it has an advantage in that it takes less disk space and 
is more suited for webpages, etc. For printing, I'd stick with a 
non-lossy format like bmp and redefine the resolution (render it 
according to the formula given by Neil though) to print.
Some programs will allow you to adjust the compression/lossy values when 
converting the bmp to jpg. Typically, the smaller the disk size, the 
lower quality the image.
Merry Christmas.

Stephen wrote:

> I just ** hope** this isn't covered in the doc'n somewhere, but since I
> can't find the answer to my question, I'll ask:
> 
> What is the native resolution of POVRay - not the rendering size, but the
> number of dots per inch?  One chunk of SW that I have says 96dpi and another
> implies 76ish about some rendered images.
> 
> My standard output type is BMP (oh, well) but I typically like JPGs and can
> work with other file types. My interest is in getting the best possible
> detailed rendering and then if my printer or scaling wants to muddle with
> that, then so be it.
> 
> Any way to get higher resolutions?
>

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