Summary: This flash meets all of my requirements for family photos on my P712 camera. Here's why: 1) With its motor and computer it automatically tracks my 12x zoom camera lens adjustments. 2) It is many times more powerful than my flip-up camera flash. 3) It easily fills a 15 x 15 room even on wide angle. 4) It sits up high on the camera for a better shadow angle. 5) Its up and away when I use an aditional wide angle entender. (There's no shadow like my built in flash.
Summary: This is a terrific flash unit. It delivers uniform lighting that yields excellent color and clarity. When combined with the internal pop up flash, there are no sharp shadows of the subjects in indoor photos. Also, the usable flash range is greatly extended thanks to the zoom feature of the flash and the interaction between the camera and the flash. It is well worth the extra cost.
Summary: With our kids in Elementery school and the seasonal programs in a big fairly dark gymnasium it's wonderful to get a 30+ ft light source for pictures. We are very happy. Going to try the diffuser next.
Summary: What else to say? This unit works nicely. It uses 2 AA-size batteries and is a nice performer. I use it with my P712 Kodak camera and it adds the extra punch I need for photo shoots of, of all things, belly dance competitions. My only nit to bring up is that the battery orientation could be made a bit clearer with some improved symbols somehow to prevent putting in the batteries wrong.