All of today's phones pack some kind of camera setup on the back, with most packing multiple ones like ultrawide or telephoto zooms. More expensive phones, like the iPhone 15 Pro, use larger image sensors, better-quality lenses and image stabilization that let in more light, capturing detailed images with beautiful colors -- in daylight and at night. Typically, the more you pay, the better quality you'll get, with the most advanced features being reserved for the most expensive flagships.