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Nikon releases firmware update for Speedlight SB-900  
Tuesday, November 18, 2008 | by Rob Galbraith
Nikon has released a firmware update for the Speedlight SB-900. Firmware v5.02 corrects a bug that could lead to overexposure and makes a minor change to the unit's TTL auto flash behaviour. Installing the firmware requires the SB-900 be connected to a Nikon D3, D300, D700 or D90 digital SLR camera.

More information is in the release notes below.

The following improvements have been made in version 5.02
- With uninterrupted shooting with the SB-900 set to i-TTL mode, images captured just before the flash ceased firing were sometimes overexposed.
This issue has been resolved. By resolving this issue, metering precision has been further increased and the number of times the flash fires has also been increased.
- When the SB-900, set to TTL auto flash mode, is used with a camera supporting the Nikon Creative Lighting System (CLS), flash mode automatically changes to A mode according to camera communication status. That flash mode was previously maintained, but it has been modified so that TTL auto flash mode is restored once the SB-900 again recognizes the camera as a CLS-compatible camera.

As of this writing, Speedlight SB-900 firmware v5.02 appears to be available only on the Nikon Europe support site, though it's likely to begin showing up on the websites of other Nikon regions in the days ahead. Follow a link below to download:
Thanks to Peter Steffen for bringing this to our attention.
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