bower digital autofocus power zoom flash for canon eos 7d 5d 60d 50d rebel t3 t3i t2i t1i xs digital slr cameras sfd680c
the digital power zoom autofocus flashgun for canon fully dedicated e-ttl flash designed specifically for the canon line of digital and film slr cameras . designed with professional and amateur photographers in mind this economical flashgun featuring an auto-zoom flash head which auto-senses the focal length of the camera s lens and adjusts itself accordingly within the range of 28mm to 85mm . it is equipped with a guide number of 139 feet with full e-ttl metering automatic shutter speed control and aperture control of digital and analog slr cameras . its light output is adjustable with a range of -1 ev in 0.5 increments .