Converting a normal (RGB or Grayscale) photo into a Bitmap (halftone) image is very interesting and gives a unique and dramatic effect. Unknown to many, halftone is a popular form of digital art which can be seen in comic books, magazines, newspapers, and other media. It is characterized by dotted figures basically in black and white and gray. This tutorial is largely inspired by the works of Roy Lichtenstein, a famous pop artist.
The following guides you through a 3-step instruction to achieve the expected result which can be done so easily, even a newbie find it a ‘no sweat’ stuff.
Photo used here is Scarlett Johansson.
Next, convert grayscale into bitmap (Image>Mode>Bitmap…).Under Bitmap, you may select the default values and press Ok.
Enter a lower value if you want the effect bigger and higher if smaller (dot distribution). Voila, you have your halftone effect!
Note: Before you can proceed to the next step, convert back the image into grayscale, then to RGB.
This is the result: