Canon Speedlite System Digital Field Guide by Michael Corsentino

Author:Michael Corsentino
Language: eng
Format: epub
Publisher: Wiley
Published: 2012-07-05T04:00:00+00:00

4.11 The 580EX II with Flash Exposure Compensation set to underexpose by –1 2/3 f-stops

NOTE When the FEC is set on the master flash, the Exposure Compensation affects all slave Speedlites in all groups.

Setting FEC with the 600EX/600EX-RT set to Master

To set Flash Exposure Compensation, follow these steps:

1. Turn on the Speedlite. Slide the OFF/LOCK/ON switch to the On position.

2. Select Radio or Optical Transmission Wireless Shooting. Use the Linked Shooting button () to choose the desired wireless Master mode.

3. Set the desired FEC. Use Function button 4 to navigate to Menu 1 if you aren’t already there, and press Function button 2 () to highlight the FEC value scale. Use the Select dial to choose from +/– 3 stops of power in 1/3-stop increments. Note the FEC +/– and value icons appearing in the upper-left of LCD screen.

NOTE When the FEC is set to 0, the FEC icon does not appear on the LCD.

4. Press the Select/Set button to confirm settings.

Setting FEC with the 580EX II set to Master

To set Flash Exposure Compensation, follow these steps:

1. Turn on the Speedlite.

2. Be sure the 580EX II is set to Master.

3. Press the Select/Set button in the middle of the Select dial. This brings up the FEC compensation factor. It blinks when it is ready to change.

NOTE When the FEC is set to 0, the FEC icon does not appear on the LCD unless it is selected for change.

4. Scroll the Select dial left or right to adjust the amount of FEC.

5. Press the Select/Set button in the middle of the Select dial to confirm the settings.

Setting FEC slave flashes

When you’re using a 580EX II Speedlite as the master, this technique works well. But when you’re triggering wirelessly with the ST-E2 wireless transmitter, the FEC must be set on the slave flash.

600EX/600EX-RT

To change FEC on the 600EX/600EX-RT in Slave mode, follow these steps:

1. Turn on the Speedlite. Slide the OFF/LOCK/ON switch to the On position.

2. Select Radio () or Optical Transmission Wireless () Shooting. Use the Linked Shooting button to choose the desired wireless Master mode.

3. Set desired FEC. Use Function button 4 to navigate to Menu 1 if you aren’t already there, and press Function button 2 () to highlight the FEC value scale. Use the Select dial to choose from +/– 3 stops of power in 1/3-stop increments. Note the FEC +/– and value icons appearing in the upper-left of LCD screen.

4. Press the Select/Set button to confirm settings.

580EX II

To change FEC on the 580EX II in Slave mode, follow these steps:

1. Press the Select/Set button. The FEC icon flashes when changes are ready to be made.

2. Scroll the Select dial left or right to make the adjustments.

3. After your adjustments are made, press the Select/Set button again to set them.

430EX II

To change FEC on the 430EX II in Slave mode, follow these steps:

1. Press the Select/Set button. The FEC icon begins to blink.

2. Press the + or – button to adjust the settings accordingly.

3. Press the Select/Set button again to save the setting.

Testing and Modeling Flash from a Slave Unit

In Radio Transmission Wireless Shooting () with the 600EX-RT set as a slave unit, you can perform a test flash and modeling flash.

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