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Old Oct 3, 2005, 9:55 AM   #1
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I am considering the purchase of an external flash for my 8400. I really don't want to spend what a SB600 costs. What other lower priced flashes will work with the 8400?
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Old Oct 3, 2005, 10:19 AM   #2
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Steve's review states: Using the hot shoe, the Coolpix 8400 can be fitted with an external i-TTL speedlight such as the Nikon SB-600 or the SB-800 (SB-50DX shown but usable only in Auto). The built-in Speedlight can be cancelled when using an external flash or used in tandem. The Coolpix 8400 can control the SB-600 or SB-800 motorized zoom head but does not use its more powerful AF-assist lamp.

Does another vendor offer a flash that controls the zoom head? What do you lose by using a third party flash?

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Old Oct 14, 2005, 7:11 PM   #3
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I use a small slave flash with my Nikon 8400 very effectively, and have gotten great results. I purchased it on e-bay for $45.

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Old Oct 14, 2005, 7:56 PM   #4
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What do you mean by slave flash? Does it sync with the hot shoe?
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Old Oct 14, 2005, 10:31 PM   #5
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stlgasman wrote:
Quote:
What do you mean by slave flash? Does it sync with the hot shoe?
No, a slave flash means (implicitly) "optical slave". It sees the flash from the camera's flash and fire by itself. But if your camera's flash always preflash, then you need a "digital compatible slave flash" which ignore the preflash and fire at synchro with the "main" flash burst. If your camera can be set with no preflash, then any generic flash can be a slave flash with the addition of a cheap 10 box "slave cell" .

There are a ton of thread about slave flash in the external flashes forum, to name a few :


http://www.stevesforums.com/forums/v...mp;forum_id=53

http://www.stevesforums.com/forums/v...mp;forum_id=53

http://www.stevesforums.com/forums/v...mp;forum_id=53

http://www.stevesforums.com/forums/v...mp;forum_id=53
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Old Oct 15, 2005, 8:51 AM   #6
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The slave flash concept sounds a little tedious to use - if the flash has to "learn" when it is turned on.

Will a flash other nikon fire from the cameras hot shoe?
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Old Oct 15, 2005, 11:28 AM   #7
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stlgasman wrote:
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The slave flash concept sounds a little tedious to use - if the flash has to "learn" when it is turned on.
Only some few makes use the "learn mode", others use a switch/selector, or even no selector at all.

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Will a flash other nikon fire from the cameras hot shoe?
From the hot shoe, nearly all generic flashes will work. Even dedicated flashes for other makes or others camera model will work to. basically, the center pin of the hotshoe is simply a switch which close to fire the flash. Some cautions:

1)Check if the trigger voltage of the flash is safe for the camera's hotshoe
http://www.botzilla.com/photo/strobeVolts.html

2) Cover (isulate) all other pins except the center one (the trigger pin)

3) There is no feedback to the camera, so you can use the flash only in manual or auto modes, whatever the flash offers. Nothing TTL of course.
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