| Joined: | Sun Apr 8th, 2012 |
| Location: | Adelaide, Australia |
| Posts: | 187 |
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Yes I'd say that 9v is good.
I discussed this with Nikon UK Tech Supports as my Bowens Quad 4000 units are said to have sync voltages up to 250v DC. Nikon said that they had tested to 50v but did not recommend using with my Bowens units without some sort of protection circuit for the camera. I have a Wein Flash Surge protector installed if I use a direct connection but normally I use a IR or wireless sync.
Nikon are stupid. Imagine only testing to 50v yet printing the following sentence in the instruction book of every DSLR they have ever made
"Use only Nikon flash units. Negative voltages or voltages over 250 V applied to the accessory shoe could not only prevent normal operation, but damage the sync circuitry of the camera or flash. Before using a Nikon flash unit not listed in this section, contact a Nikon-authorized service representative for more information."
BTW the chart linked to by Robert is very generic in it's recommendations and states 'your call' on some fairly low voltages
This is due to some cameras having a rumoured capability of only 6v (Canon)
I actually expect that Canon are just as robust as Nikon, but since the myth exists, is perpetuated at every opportunity by Canon's representatives and users and since Canon, to my knowledge, have never made public an actual rating then the phrase 'Your Call' is justified (I imagine it's more a case of people who should know making stuff up because they don't)
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