
Nikon has released firmware updates for the Nikon D300, D300s, D700 and P7700.
The firmware updates for the D300, D300s and D700 add support for the new Nikon 800mm f/5.6E FL ED VR lens.
The firmware update for the Nikon Coolpix P7700 includes the following improvements:
When shooting with shooting mode set to M (manual) with Flash, and the ISO sensitivity set to Auto, ISO 80-200, ISO 80-400, or ISO 80-800, ISO sensitivity was sometimes not locked at ISO 80 and a different ISO sensitivity was sometimes applied. This issue has been resolved.
You can download the firmware updates here at Nikon’s website.

Canon has posted the big firmware update for the 5D Mark III. Firmware Version 1.2.1 adds the eagerly-awaited clean uncompressed HDMI-output to the 5D Mark III and AF functionality at f/8.
A complete list of improvements in firmware version 1.2.1 is below. [click to continue…]

Fuji has released a firmware update for the X100S. Firmware version 1.02 provides the following bug fix:
The phenomenon is fixed that the brightness of the OVF bright frame doesn’t change according to a surrounding brightness in case of ISO 1600 and higher.
You can download the update on Fuji’s website.

Nikon has released a firmware update for the Coolpix P7700. Firmware version 1.1 includes the following improvements:
- Display accuracy for the virtual horizon has been increased according to the direction in which the camera is pointed.
- The interval between shots with uninterrupted shooting when Auto bracketing is set to Exposure bracketing has been reduced.
- An issue that prevented shutter speeds slower than one second for the second and subsequent shots when shooting with Auto bracketing set to Exposure bracketing has been resolved.
You can download firmware update version 1.1 on Nikon’s website.

Canon has dated the new firmware for the Canon 5D Mark III that will provide uncompressed HDMI output at 4:2:2 8-bit and autofocus at f/8. The firmware update should be available later this month on April 30.
More details on the update from the initial announcement last October.