The Quantum QFlash Trio Basic for Nikon/ Fuji (QT8NB) combines several of Quantums venerable Qflash system technologies into one complete dedicated shoe mount flash, & has full TTL dedication to Nikon cameras. Slip it onto the camera hot-shoe, connect any Quantum Turbo battery (not included), & shoot studio-quality flash photos non-stop, 24 hours a day without slowing down or overheating. The Qflash uses parabolic reflectors for clean, even light spread, & the reflectors are removable for bare-bulb lighting. The flash can be used either on-camera on its own or on-camera as a master to other off-camera units.