Auto-focus is a feature of digital cameras that allows them to focus correctly on a subject. It enhances the quality of the photo over fixed-focus cameras and allows for close-ups (or the even closer macro shots). Phones use passive auto-focus with contrast measurement. This means that the camera needs contrast to focus and have problems focusing on a blank wall or in low light conditions. Some phones can use their camera LEDs as a focus assist light to help deal with the latter case.
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Samsung Gear S2
fhallieNov 10, 2015
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Apple Watch
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Moto 360 Sport Smartwatch
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Nexus 9 Discontinued by Google and HTC
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ZUK Z2 gets Certified by TENAA
