SB 700 Nikon D90 used. The unit is efficient and very simple and direct employment after they became familiar with the user manual. Very neutral color temperature, not cold, correct power. Light distribution control (in addition to the zoom capability to alter the scope of the flash) useful for particular topics. Handy Head, easily adjustable. Above all, use easy and useful slave mode: setting is very simply the reflex and flash, and the little box wireless flash triggers SB 700, placed where you want. The two lightning being proportioned as desired using the reflex setting screen. Sabot solid flash. All of good quality. Amazon cloud service without: taking delivery, product conformity, manual in French.