Specialities are 1-2 day courses focusing on a special kind of diving.
Underwater Photography:
1 day/2 dives with special emphasis on practical techniques
Most divers love photography, but taking good shots underwater is a whole new ball game! In just 2 days, PADI Speciality course Digital Underwater Photographer, will give you enough tips and advice to improve your underwater photos fast.
If you've done your Advanced course, you will have already done some dives that credit towards a PADI Speciality - Deep, Navigation, etc.