Nikon SB-600 user manual Manual mode, To calculate the shooting distance

Manual mode

•When the zoom-head position is adjusted to 28mm, set M1/4 flash output level on the SB-600, which can be obtained from GN 14/45.9 (m/ft.) corresponding to the zoom-head position of 28mm referring to the guide number table.

•In Distance-priority manual flash operation, the correct flash output level is automatically determined by the SB-600 according to the shooting distance, aperture and ISO sensitivity that are set.

To calculate the shooting distance

Calculate the shooting distance (m/ft.) by using this equation and the guide number table, according to the ISO sensitivity, aperture value, flash output level and zoom-head position that are set:

Shooting distance (m/ft.) = Guide number (GN at ISO 100; m/ft.) ⋅ ISO sensitivity factor ÷ Aperture (f/)

Manual G flash operation

1 Set the camera’s exposure mode to Aperture- Priority Auto (A) or Manual (M).

2 Press the a button until G appears on the LCD panel.

3 Determine the flash output level and aperture to match the flash shooting distance.

•For details on determining the flash output level and the aperture, refer to “Determining the aperture and flash output level in the Manual mode” (p. 35).

4 Press the i or j button to increase or decrease the values.

• Refer to “Setting the flash output level” (p. 37).

5 Set the aperture on your camera or lens.

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