Nikon SB600 / D90 out of sync

Set the flash to shoot/fire in the Auto Flash modes.

So what is it, a SB-80dx or SB-900?
atdleeatnetzerodotcom

When you wait to long to shoot it thinks you have left it
You will ha e to reset it.

Take care. Nikon does warn every user of the modern DSLR's not to use old flash guns. Old camera's were fitted with mechanical switches. In those days nobody cared about 5, 12 or even 100 volt on a flash gun. Modern camera's use electronic switches (transistor) and they only can survive when hooked up to modern flash guns, because these guns block high (above 5 Volt) voltages.

The the signal to the camera to shoot flash off the camera
change your settings

This could be a weak battery.

The SB600 isn't made any more. I would recommend the SB700. Before you buy an external flash however, make sure that the hot shoe on you camera is still fully functional. An external flash is superior to the pop-up flash under almost any circumstances. Where your pop-up flash limits your shooting distance substantially, I have take pictures at night using an SB700 almost 100 feet from the subject and gotten correct exposure with my D90. Now there is one thing you will not be able to do without the pop-up flash, but I suspect it will never matter to you. You will not be able to use the pop-up flash to trigger the SB700 off camera.

I had a similar problem with my SB25 when I tried to use it on a D90. I took the camera into the Nikon USA Repair Depot in Los Angeles where they took it into the back shop and removed it while I waited without charge. If the SB600 is like my SB700 and SB900's, there is a spring loaded dimple in the camera's hot shoe that clicks into a hole in the SB flash hot shoe. I think if you can slide a thin piece of metal such as a machinists shim, you may be able to depress the dimple and release the SB600. Let me know if it works.

normally is the bulb , flash tube , you need to replace or maybe is the scr transistor most popular problems for this model .

That is most likely the TTL preflash and should not show up in your final exposure.

Try setting the flash control to manual (e2 under the Bracketing/Flash menu). That should give you only the one flash at the end.


Aaron Gum