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<blockquote data-quote="WayneF" data-source="post: 189491" data-attributes="member: 12496">All of the Nikon DSLR manuals say flash sync voltage up to 250 volts can be used (D3200 manual page 172, but it is in manuals for all models, at Optional Flash, where it says &quot;use only Nikon flashes&quot;).&nbsp; Not all cameras have limits that high.Some old flashes could reach 180 volts or higher.&nbsp; Modern flashes are more like 5 volts.&nbsp; If any concern, the only way you will know what you have is to measure it yourself.&nbsp; Nothing could be easier.&nbsp; Any DC voltmeter, measuring at sync cable, or from Center pin on flash foot to the meta foot frame.&nbsp; Turn flash on, not connected to anything, and aim it away from your eyes (but not face down on anything its flash could scorch), and simply measure the voltage on the trigger pin. This can cause it to flash, which is OK if not into your eyes - shorting that center pin is how they are triggered.</blockquote>

[QUOTE="WayneF, post: 189491, member: 12496"] All of the Nikon DSLR manuals say flash sync voltage up to 250 volts can be used (D3200 manual page 172, but it is in manuals for all models, at Optional Flash, where it says "use only Nikon flashes"). Not all cameras have limits that high. Some old flashes could reach 180 volts or higher. Modern flashes are more like 5 volts. If any concern, the only way you will know what you have is to measure it yourself. Nothing could be easier. Any DC voltmeter, measuring at sync cable, or from Center pin on flash foot to the meta foot frame. Turn flash on, not connected to anything, and aim it away from your eyes (but not face down on anything its flash could scorch), and simply measure the voltage on the trigger pin. This can cause it to flash, which is OK if not into your eyes - shorting that center pin is how they are triggered. [/QUOTE]

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