higher resolution

Working at a professional photo lab, there are certain questions we hear a lot.     The number one question:  "How large can I print this digital image?"     The answer:   "It depends."     If the image is not sharp as a 4 x 6, it will NEVER look better as a larger print.    Enlarging the image will only make a soft focus photo look softer (or blurry).   If the focus and exposure are correct, one of the best ways to insure you will be satisfied with an enlargement is to always have your camera set to shoot in high (or large) resolution.    Whether you have a DSLR or a digital point and shoot,