Canon has made available for download firmware version 1.2.3 for the Canon EOS-1D Mark III and firmware version 1.1.2 for the Canon EOS-1Ds Mark III. 

The Updates allow the user to select AF points directly with the Multi-controller instead of the Quick Control Dial or Main Dial and additional ways to apply exposure compensation. They also promise to: "improve the stability of AF accuracy in AI servo AF mode when shooting extremely low-contrast subjects.

Further details of the firmware updates can be found here:

Canon 1Ds Mark III

As promised, Nikon has released a revised version of its recently withdrawn firmware update. The company has updated the ‘B’ firmware to V1.11, and has reissued the previously withdrawn V1.10 ‘A’ firmware.

This new revision fixes a photo corruption problem in the firmware update earlier this month. Continue reading →

A couple of days ago Nikon announced the release of firmware update version 1.10 for the D3. However it has been confirmed that when certain settings are applied with the updated firmware, image data may, in some rare cases become corrupted. Therefore Nikon have terminated this firmware update download, and a new update is expected in late April. See the press release below for more details.

Continue reading →

Canon has release firmware updates for the EOS 5D and EOS 30D models.

This firmware update (Version 1.1.1) incorporates the following fixes and improvements:

1. It now supports high-capacity CF cards.
2. It allows the latest lens names to be recorded in the Exif information of images taken.
3. It adds lenses that are compatible with the Digital Photo Professional 3.2 lens aberration correction function.

Version 1.1.1 firmware update is for use with cameras with firmware up to Version 1.1.0. If you already have Version 1.1.1, it is not necessary to update the firmware.

Canon EOS 30D Firmware Update Ver 1.0.6

This firmware update (Version 1.0.6) incorporates the following fixes and improvements:

1. It allows the latest lens names to be recorded in the Exif information of images taken.
2. It adds lenses that are compatible with the Digital Photo Professional 3.2 lens aberration correction function.

Version 1.0.6 firmware update is for use with cameras with firmware up to Version 1.0.5. If your camera’s firmware is already version 1.0.5, it is not necessary to perform this update.

Go to the Canon EOS firmware download pages:
Canon EOS 5D Firmware Update Version 1.1.1
Canon EOS 30D Firmware Update Ver 1.0.6