Turning photo sketch-pencil sketching photoshop

Step:1

Open a Photo in Photoshop.Duplicate the photo by pressing Ctrl+j.

Step:2

Now we want to desaturate the image.Go to image ->adjustments -> desaturate.Duplicate the desaturated image by pressing Ctrl+j.

Step:3

Then invert the image.Go to image -> adjustment-> invert.Change the Blending mode from normal to Color dodge.

Step:4

Then merge all layers in to a new layer by holding Alt + Merge visible. Layer-> merge visible.Change the blending mode from normal to multiply and reduce the opacity to 50%