The Nikon SB-103 has unique characteristics that will excite amateur and professional photographers alike. This Nikon flash has the ability to function up to 50 meters under water, making it useful for professionals using water as an effect or for amateurs recording memories of an underwater adventure. This Nikon flash uses TTL exposure control to help find the perfect exposure for every shot. The Nikon SB-103 has controls that make it easy to adjust aperture and shooting distance, putting the user in control. This underwater flash also allows the user to manually choose from three power settings. This combination of automatic and manual functions helps the novice to learn a variety of photography settings with the underwater flash, while experienced photographers will appreciate having control for the ideal image. Photographers interested in multiple flash photography will enjoy the Nikon flash's ability to link with a double flash bracket or double sync cord. When it comes to taking high-quality pictures under water or in the studio, the Nikon SB-103 offers possibilities that will impress photographers at all levels of experience.