How to blur the backgrounds of iPhone photos

Being able to blur the backgrounds of iPhone photos (and unblur them) is a godsend for anyone interested in portrait photography. One of the most important aspects of portraiture is obtaining a separation between the subject of your photo and their background. Blurring the background does this, isolating the subject against a distraction-free backdrop, allowing the viewer to focus exclusively on the person in the portrait.

That said, blur isn’t the only technique used in portraiture, and you might not necessarily want it in your photos. Sometimes, for example, a photographer wants to encapsulate a subject within their surroundings, if the background is of contextual importance to the photo or to who the subject is as a person. Either way, blur or no blur, what’s important when shooting portraits is having the ability to control what’s going on in the background.

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