…supposing the pixels are the limiting factor, and that you’re interested in viewing an 18x24” image from 3 feet away. If the optics that captured the image ar

…supposing the pixels are the limiting factor, and that you’re interested in viewing an 18x24” image from 3 feet away. If the optics that captured the image are such that its sharpest feature spans multiple pixels, TFA provides some handy rules of thumb to adjust your print size down accordingly.