Ideal for entry-level users, the Nikon SB-400 is a compact and lightweight Speedlight that is perfect for enhanced twilight shots or for adding impact to daylight images with fill-in flash. The SB400 is fully compatible with all Nikon digital SLR's and the i-TTL metering system. Ideal flash for smaller portable digital SLRs such as the Nikon D40, D50, D60, D80 or D90.