Dual Pixel Raw will allow photographers to change focus in post

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Canon has been at the fore of camera technology for the last couple of decades. And with its latest launch, the EOS 5D Mark IV, it is bringing forth the latest version of what can be arguably described as its most popular line of professional cameras.

The Mark IV is many things, but while mostly, it is an iterative model when compared to the still super Mark III, it comes with some unique twists of its own, which could refine or even redefine photography.

We at PCMag India had the chance to sit down with Canon India’s Andrew Koh, who is their VP for consumer imaging and information centre and he delved deep into the details of the new Mark IV. One feature particularly stands out. Canon calls it Dual Pixel Raw, which is like the next conclusion in its Dual Pixel technology.

“We were the first ones to introduce Dual Pixels. Dual Pixel Raw is something new that nobody has done till date,” said Andrew Koh.

More than this, Canon is doing something so far was only achievable through light-field cameras and computational photography. Dual Pixel technology which enables very rapid focus levels has been pushed to such a degree that now users can change the focus after taking the shot.

“What it does is that during post processing you can change the focus points. So you may have shot something and it doesn’t come out the way you wanted, but you want to change the focus now. You’re now able to do that. You can still change the focus and have a bokeh,” Koh explains.

In recent times, this technology has also been adapted to smartphones. The recently released Samsung Galaxy S7 and Galaxy S Note 7 have become the first two smartphones to use this technology. Samsung’s phones use this technology to great effect and are known for their image quality. Dual Pixel Raw takes the focusing capabilities to the next dimension as now users can change the focus of the subject after taking the shot.

So far, light-field cameras like the ones created by Lytro enabled users to absorb the entire depth field of the frame enabling users to change the focus at will. However, the image format is different and these cameras are very expensive. Using the help of computational algorithms and twin camera setups, many smartphone brands are also gunning for similar capabilities on their phones. Uniquely, the iPhone 7 is rumoured to have the ability to change the focus of the image in post.

Canon’s take, of course, on a high-level will be more advanced and geared towards professional use. Canon as a whole has expanded the capabilities of the Mark IV and has increased the resolution of the sensor, added support for 4K video at 30 frames per second and armed the camera with 61 autofocus points.

The end result is a versatile camera which can be used in either a wedding or even for wildlife or sports usecases.

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