This remarkable Nikon SB-24 TTL Speedlight offers TTL flash control on most TTL-capable Nikon bodies. It has many advanced features such as Matrix and Center-Weighted filled-in flash, TTL automatic flash control, Full power TTL manual flash control with multiple auto settings (five power levels), six apertures settings in automatic flash,direct and diffusion of power, repeating/stroboscopic flash capabilities, manual overriding, AF assist infrared beam for low or even total darkness shooting and a built-in variable zoom head for focal length control. The SB-24 can synchronize with up to four additional flashes. Head tilts from -7 degrees below horizontal up to 90 degrees above horizontal, and rotates -270 degrees to plus 180 degrees clockwise.