Promaster 4667 ST1C Speedlight Transceiver for Canon Storage Boxes The inclusion of Sony's acclaimed

The inclusion of Sony's acclaimed S-Cinetone look

It has a groundbreaking fast-aperture and utilizes the linear motor focus mechanism VXD (Voice-coil eXtreme-torque Drive)

Or take your pick from Sony's extensive line-up

Safe for Air Travel

Bokeh beyond belief

Promaster 4667 ST1C Speedlight Transceiver for Canon Storage Boxes The inclusion of Sony's acclaimedProMaster Wireless TTL Transceivers are for photographers who want to illuminate their subject using one, two, or dozens of flashes! A ProMaster ST1 is a dedicated transceiver compatible with Canon flash systems including the Canon 430EX and 600EX, and of course they work equally well with the ProMaster 200SL. With a range of 325 feet, they will allow synchronized triggering within a studio space, outdoors in the woods, or a place as massive as an