The camera also
introduces Dual Pixel RAW, which lets you correct focusing errors afterward.
Samsung
introduced Dual Pixel autofocus to its phones with the Galaxy S7, bringing an important upgrade to the already excellent cameras found on Samsung flagships back then.
Although the actual amount of pixels is less in the sensor, but it has rather paved a way for Samsung to
introduce Dual Pixel technology, meaning the sensor here is 1.4 - micron pixel size.
Not exact matches
This camera comes with the same 1.4 - micron
pixels and optical image stabilization that Samsung
introduced in the Galaxy S8, but the nifty
Dual Aperture feature is all new, and lets you switch from f / 2.4 to f / 1.5 at the tap of a button.
With the S9, Samsung is
introducing a new Super Speed
Dual Pixel camera, and in the case of the S9 +, it's adding a second lens.
This is the reason why the new Samsung Galaxy S7 sports a 12 - megapixel camera as opposed to a 16 - megapixel unit like last year's model, and it's also the reason why the Galaxy S7
introduced a new technology called
Dual Pixel autofocus.
However, the Samsung Galaxy S7
introduced at MWC 2016 ditches PDAF in favor of a different technology called
Dual Pixel autofocus.