"Ultra-High Speed mode captures eleven 1280 x 960 pixel images in just under a second"*
This seems to be the only way to take pictures between 640X480 and 1600X1200 - too small and huge. So I have to ask if using this mode is likely to reduce image quality. I'm sure it drains the battery.
*http://www.imaging-resource.com/PRODS/X50/X50A.HTM

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