Facebook is popular among users for changing its layout and features for changing needs of users. Facebook has come up with Revamped Photo Viewer which works like Google+ photo viewer. In Revamped Photo Viewer, picture is left align and rest of the data such as comments, shares, sponsors etc are right align.

Revamped Photo Viewer places a black background making the picture look more shinny and clear. This also allows you to see the original and high definition version of a picture. Revamped Photo Veiwer places a black background making the picture look more shinny and clear. This also allows you to see the originial and high definition version of a picture.

Currently, this feature only supported by latest version Mozilla Firefox and Google Chrome browsers. Its really easy to view the full screen picture on Facebook. You can view full size pictures of facebook by two methods.

@Method 
Click on the photo and hover the mouse on it. You will see a tiny arrow at the top-right corner of the picture. Just click on that arrow to see full size of the picture.