-PHOTOGRAPHIC TECHNIQUES-confinued-----
Manual multiple flash photography
If the secondary flash unit is either a Nikon Speedlight
Note: In manual multiple flash operation, make sure to use both flash units on manual. In the TTL or non·TTL automatic shooting mode. the correct exposure cannot be obtained. because light from each speedlight affects the measurement.
Caution: The S8·16 employs a speciallow·voltage triggering circuit to prevent electrical shock and damage to the hot·shoe contact. We do not recommend mixing Nikon Speedlights with flash units of other makers for multiple flash photography, unless you use slave units for remote trigger· ing. Otherwise. incorrect operation and/or damage to the unit may result.
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