300dpi Camera?

DPI is equivalent to PPI only when printing in B&W. But when printing in color, DPI should be 4x the PPI density if every pixel is to be resolved. This is because a color printer basically mixes 4 dots of different ink colors (including black) per pixel.

imbsysop wrote:

mamallama wrote:

tom29 wrote:

Does anyone know if or when Canon will be coming out with a digital
camera that finally outputs at 300dpi instead of 180dpi?

tom29:

You have gotten a lot of responses regarding how inappropriate your
question is but here is a simple explanation of the situation.

Insofar as the resolution of the camera is concerned, all that
matters is the number of pixels (dots, if you will) across and the
number of pixels down. Your printing software will distribute those
pixels across and down to create an image of the particular size
you set. Of course, the larger the image, the less dots per inch
(dpi) you will have. (Imagine a window screen that you can squeeze
and stretch and how the size of the openings get smaller as you
squeeze).

I hope this simple explanation is clear.

To answer your question, virtually all Canon cameras can now
produce 300 dpi output images. The 8 megapixel Pro1 with 3264 x
2448 pixels can produce an 10" x 8" image with 300 dpi. 300 dpi
images for most other Canon digicams would have to be smaller.

although yr explanation is absolutely correct you are obscuring it
again by putting out that last paragraph .. Cameras NEVER put
out a "DPI" image they output an XbyY pixelmap (the dpi value given
is useless) .. The dpi is a user applied & choosen pixel density
for printing AND the exact connotation is PPI (pixels per inch).
The DPI definition is purely printer based aka a 300PPI choice to
define print size & printed on a printer at 300 DPI will yield an
absolutely lousy print ...
Even the Adobe people do not seem to get this "nuance" ...
FWIW