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The Canon Speedlite 600EX-RT is a weatherproof TTL flash unit with integrated radio-frequency triggering. Using one master 600EX-RT or the new ST-E3-RT radio-frequency wireless Speedlite transmitter, up to 15 600EX-RT flash units - positioned up to 30m away - can be remotely triggered. Importantly, the Speedlite 600EX-RT also retains support for standard infra-red wireless flash control. The zooming flash head covers a similar angle-of-view range as a 20-200mm lens, and the 600EX-RT boasts a guide number of 60 (in metres at ISO 100/21°) at the 200mm setting. The Canon Speedlite 600EX-RT ships with a bounce card, a diffuser that allows the flash to be used with ultra-wideangle lenses down to 14mm, a new colour filter adapter and two colour gels. Powered by four AA/LR6 batteries, the Canon Speedlite 600EX-RT features a bounce-and-swivel head and a range of custom flash coverage options.
Canon Press Release
Speedlite 600EX-RT – Taking creative flash further
The Speedlite 600EX-RT is a high-performance TTL flash unit designed to meet the expanding creative needs of modern professionals. Integrated radio frequency triggering, in addition to standard infra-red wireless flash control, allows photographers to achieve exciting results with complex on-and-off-camera lighting set-ups. Using one master 600EX-RT or the new ST-E3-RT radio-frequency wireless Speedlite transmitter, up to 15x 600EX-RT flash units, positioned up to 30m away, can be remotely triggered – offering great potential to experiment with more creative lighting techniques and effects. EOS cameras with a connected Speedlite 600EX-RT can also be triggered remotely by either model, allowing photographers to explore more extreme shooting angles to produce surprising and inspiring creative results.
Subjects over a wide range of distances can be lit creatively or evenly exposed, thanks to an increased guide number of 60m¹ and wide lens coverage of 20 – 200m. For wide-angle shots, a diffuser adapter can also reduce the focal length to 14mm and the bounce-and-swivel flash head creates more flattering, shadowless effects. Ideal for shooting portraits, a catch-light panel produces natural catch-lights in the eyes of a subject when shooting with bounce flash. Additionally, custom flash coverage options provide more creative scope by using guide number priority to light the subject, while creating slightly darker edges to the frame.
Like its predecessor, the Speedlite 600EX-RT communicates white balance settings to the camera through the hot shoe connection. However, to further balance flash and ambient light, a new colour filter adapter and two supplied colour gels can be fitted to balance the temperature of the flash and create a more natural effect when shooting around tungsten or mercury lighting. When shooting in dark conditions, photographers can also employ the AF-assist beam for accurate autofocus with lenses of 28mm or longer, ensuring the subject remains in focus when the flash fires
Designed for professionals, the Speedlite 600EX-RT and Speedlite Transmitter ST-E3-RT feature a robust, weatherproof design matching that of the EOS-1D X, with a clear LCD display making it easy to select settings and switch between normal flash mode and wireless modes. Powered by four AA/LR6 batteries for added convenience, the Speedlite 600EX-RT offers fast, silent recycle times, allowing photographers to keep shooting and exploring creative lighting effects in all conditions.
¹ISO 100 at 200mm setting