Techniques to create soft focus effect in Photoshop is actually quite easy, in this tutorial we will show you step by step create a soft focus effect in Photoshop.
I used the image of "Winter in the city" you can download at wallpaperswide.com.
Open image "winter in the city" on the background layer right click menu select Duplicate Layers. Replace his name with img1.
Select Filter -> Blur -> Lens blur. Set as shown below.
Now you change the layer Blend mode img1: Overlay
Right click on the background layer and choose Duplicate Layers. Img2 rename and reposition the layer above img2 img1.
Still at img2 layer menu select Filter -> Blur -> Gaussian Blur radius value input: 10.5px
Change the layer's Opacity value to 60% img2
Select the Add layer mask on the layer img2
Activate Brush tool and set it as in the picture below
Brush object image on the cars in front and sweep also on objects behind the car
And this is the final result