Sony Alpha F58AM flash unit : Sony is expanding its a (alpha) system of accessories to include the new Sony HVL-F58AM flash unit with exceptional features for versatile and flexible external lighting control. This new flash features a new and innovative Quick Shift Bounce system. It offers more creative ways to achieve lighting, flash and bounce angles you may not have been able to experience before. The flash head can pivot 90 degrees left and right on a horizontal axis in addition to the conventional up and down vertical adjustment. With this system, the camera and flash unit can keep the same orientation regardless of portrait or landscape shooting. This gives a higher degree of flexibility when arranging the direction of light.