The Canon ST-E3-RT Speedlite Transmitter can fire up to 15 compatible speedlite flashguns in three groups over distances of up to an impressive 30m. Radio-frequency control provides reliable operation even when direct line of sight is not possible. The ST-E3-RT can be used in almost any environment thanks to its weather proof construction
The Canon ST-E2 Speedlite Transmitter is an integral part of the Canon flash system: on-camera wireless transmitter for Speedlites 420EX, 430EX / II, 550EX, 580EX / II, and Macrolites MR-14EX and MR-24EX.
With this IFC-500U II USB 3.0 Interface Cable from Canon, you can take advantage of fast file transfer from your EOS 7D Mark II, 5DS, or 5DS R DSLR to your computer or printer, and can also connect other accessories. The cable protector included with the camera must be used at all times to safeguard the camera's circuit board.
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