The Wall Street Journal recently interviewed Daniel Eddy, a New York City chef, on how to have a mutually-successful experience with a young child in an upscale restaurant ("How to Take Your Kids Out to Eat and Actually Enjoy the Experience," July 14, 2016). WSJ obviously thinks the fact that being a chef qualifies one as an expert the subject; it seems to me, however, that a waitperson would have the better perspective.
Ask any photographer what the best camera is and you will likely receive the same answer: The one you have with you. Fortunately, most parents always have a camera with them these days in the form of their phone. Luckily, most mobile phone cameras are very good and capable of producing print-worthy images with a few quick tweaks in the way you shoot and edit.