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David Busch’s Canon® EOS M Guide to Digital Photography by Lee Sheldon

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Getting Started

The EOS M has two wireless flash modes, Easy Wireless Flash Shooting and Custom Wireless Flash Shooting. Since it’s necessary to set up both the camera and the strobes for wireless operation, this guide will help you with both, starting with prepping the camera and flash. To configure your equipment for wireless flash, just follow these steps. (I’m going to condense them a bit, because many of these settings have been introduced in previous chapters.)

We’re going to begin by assuming that you want to use the EOS M’s on-camera flash as the master controller flash. If that’s the case, you need to follow these steps with your external flash units first:

1. Set the wireless off-camera Speedlite to slave mode. Any of the flash units ...

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