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The Quantum Qflash TRIO QF8 combines a Qflash head with built-in FreeXwire TTL radio and QTTL adapter for your digital camera. Slip it onto the camera hot-shoe, connect a Turbo and go. TRIO's radio sends TTL commands to other remote Qflash TRIO's. Configure distinct modes and settings of remote Qflash TRIO's from the on-camera TRIO. And, the on-camera TRIO controls older Qflash models mated to FreeXwire receivers. Control an unlimited number of remote Qflash units.
Radio QTTL signals from TRIO do not require line-of-site like camera optical links. With a Qflash TRIO master flash on the camera hot shoe and Quantum TRIO's or QFlash 5d-R's as remote flashes there is no need to worry about where to mount a radio transmitter or receivers, worry about loss of battery power, or whether a sync cord will fail at an inappropriate moment. Quantum's FreeXwire radios are either built-in or directly attached to their Qflash. When your Turbo powers up a Qflash, power is also supplied to the built-in or attached FreeXwire. There is no other radio controlled flash system that can transmit wireless camera TTL information to remote flashes up to 600 feet away.
Reviewed by 2 customers
I'm a professional photographer and the qflash has help make my work easier with issues as: color corrections and editing. In addition, the fill-flash feature is awesome, it makes difficult shots like shooting a subject outdoor on a sunny day, very easy. I purchased this flash used, but it is still an awesome unit.
I have seven of these flashes. I also shoot of camera with the pilot! These flashes never heat up and I love the effect I get shooting bare bulb!