Automatic Flash Photography with Receivers divided into 3 Groups

You can perform multiple flash shooting by adding firing group C to firing groups A and B. For an overview of flash control, see "Group Control".

C is useful when you want lighting that eliminates the subject's background shadow.

  1. Push the joystick vertically.

  2. Select an item in (1).

    • Push the joystick up / down / left / right or turn Select dial to select an item, and push the joystick vertically.

  3. Set to A:B C.

    • Press the joystick to the left or right, turn Select dial to select A:B C to select, then push the joystick vertically.

  4. Configuring after setting the firing groups to A, B, and C.

    • Check whether all the receiver units are set to the same transmission channel as the sender unit.
    • Set the receiver unit to add as A, B, or C respectively and place them in position.

  5. Check the transmission channel.

    • If the channels of the sender unit and receiver unit are different, set them to the same number ().

  6. Set the A:B flash ratio.

    • Push the joystick vertically to select an item in the figure.
    • Push the joystick to the left or right or turn Select dial to set the amount of compensation, and push the joystick vertically.

  7. Setting the exposure compensation amount for firing group C.

    • Push the joystick vertically to select an item in the figure.
    • Push the joystick to the left or right or turn Select dial to set the amount of compensation, and push the joystick vertically.

  8. Check that the flash is ready.

    • Check that the sender unit's flash-ready lamp is lit.
    • Check that the receiver unit is fully charged.

  9. Check the operation.

    • Press the sender unit's test flash button.
    • Firing groups A, B, and C will fire. If it does not fire, check that it is placed within the operation range.

  10. Take the picture.

    • Set the camera and take the picture in the same way as with normal flash shooting.

Caution

  • To fire the 3 firing groups A, B and C together, select A:B C. With the A:B setting, firing group C does not fire.
  • If you shoot with firing group C pointing directly toward the main subject, overexposure may result.
  • With certain EOS film cameras that support E-TTL autoflash, you cannot perform wireless multiple flash shooting with a flash ratio setting.
  • If there is a fluorescent light or computer monitor near a receiver unit, the presence of the light source may cause the receiver unit to malfunction and fire inadvertently.

Note

  • You can press the depth-of-field preview button on the camera to fire the modeling flash ().
  • If the receiver unit's auto power off takes effect, press the sender unit's test flash button to turn on the receiver unit.
  • You cannot use the test flash when operating the flash timer, etc. on the camera end.