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Assessing mkIII's sub-mirror fix and v1.1.3 firmware
- 11-12-2007
- Categorized in: Digital Cameras
Canon is now shipping EOS-1D Mark III bodies with a revised sub-mirror mechanism that is meant to correct for poor AI Servo autofocus performance when temperatures are higher than normal. In addition, Canon sales companies worldwide are now or will very soon begin accepting customer cameras to have the sub-mirror fix installed. Canon has also released a new version of firmware that includes changes intended to improve the EOS-1D Mark III's autofocus performance.
This article update recaps the autofocus problems we've encountered with the EOS-1D Mark III going back to its May 2007 release, highlights some of the steps Canon USA and Canon in Japan have taken to try and solve the camera's autofocus difficulties and provides our assessment of the camera's AI Servo autofocus performance now, with the sub-mirror fix in place and firmware v1.1.3 installed. Read the very nice & informative article here