There have been many tutorials how to convert a color photo to black and white photos. In this tutorial I will show how a very easy and simple convert a color photo to black and white. With the addition of soft focus black and white photos will look good.
Open the color photo of your choice, here I use my photo at the beach. Right-click on the Background layer menu select Duplicate the layer (Ctrl + J). T Activate only the channels Red.
Choose Filter -> Blur -> Lens Blur set as shown below.
The last step change the Blend mode = Multiply, Opacity = 65%.
And this is final result.