This achievement is earned for finding optional photo #9. If missed on the first run, you can "Play Episodes" and select specific parts of the Episode in order to find the missing optional photos through collectibles mode
. The following collectible is described and can be seen below:
] - Optional Photo #9
Nearing the end of the episode, when you have a working camera again, you'll want to go downhill from where you spawn near the lighthouse. You'll notice a bird sitting on a rock in the middle of the walkway that you can take a picture of.
Collecting all 10 photos will also reward you with the following achievement: