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<blockquote data-quote="WayneF" data-source="post: 493137" data-attributes="member: 12496">Except that won't work with the Commander.You can do that with the internal flash in its regular Manual mode.&nbsp; Very low power level is normally enough to trigger a slave. The D300 camera has a menu for the internal flash, to select TTL, Manual, or Commander mode, and it can only be in Manual mode to trigger an optical slave. Because the Commander is a no-no for slaves.&nbsp; Commander puts out numerous low level flashes before the shutter opens, to request preflash from each TTL group, and to set power level in each TTL or Manual group, any one of which simply triggers a slave too early to be useful. An optical slave triggers from any flash it sees.The easy way to say it is that the Commander is simply incompatible with any manual flash gear, even including light meters.&nbsp; We have to choose to use the Commander system, or a Manual system, with no mixing.</blockquote>

[QUOTE="WayneF, post: 493137, member: 12496"] Except that won't work with the Commander. You can do that with the internal flash in its regular Manual mode. Very low power level is normally enough to trigger a slave. The D300 camera has a menu for the internal flash, to select TTL, Manual, or Commander mode, and it can only be in Manual mode to trigger an optical slave. Because the Commander is a no-no for slaves. Commander puts out numerous low level flashes before the shutter opens, to request preflash from each TTL group, and to set power level in each TTL or Manual group, any one of which simply triggers a slave too early to be useful. An optical slave triggers from any flash it sees. The easy way to say it is that the Commander is simply incompatible with any manual flash gear, even including light meters. We have to choose to use the Commander system, or a Manual system, with no mixing. [/QUOTE]

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