Galaxy S7 camera: The first phone with Dual Pixel autofocus

Samsung announced the Galaxy S7 and Galaxy S7 edge few days back introducing new camera concept into Galaxy flagship lineup besides many other noted features. The Samsung Galaxy S7 camera comes with the Dual Pixel technology replacing the already popular fast phase-detection autofocus, the PDAF.

The new Samsung Galaxy camera on the Galaxy S7 and Galaxy S7 edge comes with 12-megapixels which shows a reduction from 16-megapixels on the Galaxy S6. However, with the lesser megapixel count, Samsung has introduced a brand new camera module which holds its real advantages on other areas. On the top the new camera module on new Galaxy flagships brings 56% bigger individual pixels and the new Dual Pixel focus, which is used for the first time in smartphones.

For many of the Galaxy enthusiasts the move replacing the PDAF with Dual Pixel autofocus was quite surprising as the former tech works quite efficiently. Phase detection even works bitter from many aspects against the widespread contrast detection. The PDAF tech makes the whole focusing process quicker as it has to take one measurement to set the focus area.

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The PDAF actually takes about 10% of the total pixels, equipped with focusing photodiodes, which are later dispersed strategically throughout the sensor area to set the focus. The new Dual Pixel autofocus technology actually works to add more accuracy to the same process by multiplying the speed.

This actually seems to be the reason behind the use of new Dual Pixel sensor on Galaxy S7 and Galaxy S7 edge replacing the PDAF. As per the details the Dual Pixel sensor employs two photodiodes for every single pixel which increases the focus pixel range from 5-10% to 100%. Thus you will get each and every pixel in the focus range which in return make the Galaxy S7 and Galaxy S7 edge camera extremely precise in focusing.

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