Improve your photographs in a flash with the Nikon Speedlight SB-25, a versatile flash unit with convenient features for enhancing flash photography in an instant. The flash mounts directly on your camera's hot shoe, and in association with specific Nikon SLRs, provides options for fully automatic fill flash, standard TTL flash, FP high-speed sync flash, rear-curtain sync flash, red-eye reduction control and repeating flash. The unit has a built-in diffuser card and wide flash adapter, and the flash head is adjustable, tilting up to 90 degrees and down to -7 degrees, and rotating 90 degrees to the right and 180 degrees to the left. The level of customization, and the 1/1000 second flash duration, lets you light your subject perfectly, no matter where you are.