Trending Lightroom Background Blur Image - Have you ever have those times when you wish you'd shot something with a wider aperture, so your image would have that dreamy background blur behind i'm going to walk you through 3 different (and easy) ways to blur the background in lightroom. When you blur background photos on your design, it brings clarity to your focus point. Lightroom Background Blur Image - 1.3 blur image background on mac.