9.3. What is Commander Mode and How Does it Work?

Commander mode is controlled from a screen on a menu of your D300. It looks like the screen in Figure 1.

If you examine this Commander mode screen, you will see that you have controls for the built-in flash, and two groups, or banks, for external flash units. You'll also see that you can set exposure compensation for either of these.

If you leave Custom Setting e4 – Modeling Flash set to the factory default setting of ON, you can test fire your Speedlight's built-in modeling light by pressing and holding the D300's depth-of-field preview button. Or, if you prefer, simply take a picture and look at it.

Figure 9-1A. This sample CLS photo by J. Ramon Palacios required one SU-800 as the commander ...

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