Make your own golf ball shape by take help of this example.
New File: Take a new file.
Halftone Pattern: Go to filter menu > Sketch > Apply Halftone Pattern and use same settings.
Make Selection: Make a circle shape selection by using a Elliptical marquee tool (M key) and make copy of the selected area.
New File: Take a new file and paste copied as up.
Gaussian Blur: Go to Filter menu > Blur > Gaussian Blur as given below.
Poster Edges: Filter Menu > Artistic > Poster Edges and use same settings.
Gaussian Blur: Use gaussian blur again.
Lighting Effect: Go to Filter Menu > Render > Lighting Effect.
This is the result.
Recommend the tutorial