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June 25, 2017

Dual camera optical zoom technology explained

Dual camera smartphone technology certainly isn’t new anymore, but we are seeing a new trend emerge whereby manufacturers are offering “optical zoom” capabilities inside their smartphones. Two notable models touting this feature are Apple’s iPhone 7 Plus and the new OnePlus 5. If you’ve been wondering exactly how this technology works and it these phones really offer optical zoom capabilities, then you’ve come to the right article.

The smartphone zoom problem

Before delving into the specifics of how this works, it’s probably best to recap why manufacturers have felt the need to offer optical zoom capabilities inside a smartphone. Unlike DSLR lenses with variable focal [...]

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