Nikon SB-24 instruction manual 60.811.52-3 4 6 91318m 4 6 91318m, 345 7101520304060ft 1520304060ft

3 Choose B (bulb) setting or a shutter speed long enough to

•accommodate all of the flashes you will fire. For example: 10Hz will fire the flash 10 times in one second. Firing the flash 5 times at 10Hz takes 1/2 second to occur, so you should set the shutter to a speed at least as slow as 1/2 second.

Firing the flash 6 times at 8Hz takes 6/8 second to occur. However, because your camera does not have a shutter speed of 6/8 (0.75) second, you should set it to the closest slower shutter speed, which is one second.

As you may have noted: to calculate the speed necessary for the combination of number of flashes and speed of flashes, you should divide the number of flashes by the speed of the flashes (Hz), then convert the fraction to a decimal number and set the shutter speed that corresponds to the calculated value.

4. Set the ambient light exposure using the manual exposure control mode.

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0.60.811.52-3 4 6 91318m 4 6 91318m

2 345 7101520304060ft 1520304060ft

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5 Press the M button to choose the required flash power level,

•either 1/16 or 1/8 power. The lower 1/16 power will permit more flashes per firing. The maximum number of flashes will be indicated by the LCD when you perform the next step.

Alternately choosing 1/8 or 1/16 also allows you to vary the distance to the subject, which will be indicated on the LCD distance scale.

You rnay also adjust for subject distance by adjusting the zoom head position. The LCD distance scale will also indicate this adjustment. Always be sure that the zoom head position is at a setting that is at least as wide as the focal length of the lens you are using. Otherwise vignetting may occur.

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