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    Print your photos as posters

    by Keith Martin Feb 22, 2017 5 minutes

    Okay, you’ve taken your personal “shot of the year,” a photo so stunningly great you want to blow it up to a giant size and display it. The trouble is, even a 12MP shot from an iPhone 7 can barely reach 16 inches across without starting to look soft. So how did Apple create those giant “real iPhone shots” for its billboard ads? The answer is simple: interpolation. The images have been processed for large-format printing by dramatically boosting the number of pixels and applying careful sharpening.

    Repeat after us: it’s not cheating, it’s . Photographers and designers tweak and tune images for different kinds of output all the time. It’ll help to know a bit about image resolution and to get hold of software to do the optimization. First, though, make sure your photo

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