A photographer is taking photos of a hockey game, but he is protecting himself from harm by wearing a helmet.
A photographer is taking many photos of a hockey game
A photographer is taking many photos of a hockey game is the same as taking photos as more than one photo can be labeled as many photos.
The photographer is protecting his head with the helmet the hockey game.
"Taking [...] photos of a hockey game" is a restating of "taking photos of a hockey game."