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pinhole

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    Achieve Oppo Fine X3 Close-Focus Abilities By Using a Pinhole

    The Oppo Fine X3 has a dedicated macro lens, but there is a way to achieve a similar level of close-focus ability with any smartphone. Just put a pinhole in front of the camera lens. It seems too simple to be true, but it works. Video How-To: DIY Smartphone Pinhole Camera Here are some...
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