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Thursday 25 November, 2010
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EOS 550D Firmware Update Version 1.0.9

Fixes a phenomenon in which tone jumps become noticeable in some images, depending on the shooting scene, when shooting with the Auto Lighting Optimizer settings.

Changes in this version:

Firmware version 1.0.9 incorporates the following fixes.

  1. Fixes a phenomenon in which tone jumps become noticeable in some images, depending on the shooting scene, when shooting with the Auto Lighting Optimizer settings (Low/Standard/Strong). For example, tone jumps will be corrected in scenes such as a dark sky just after sunset, in low-contrast areas, depending on how bright those areas are.

Firmware version 1.0.9 is for cameras with firmware up to version 1.0.8. If the camera's firmware is already version 1.0.9, it is not necessary to update the firmware.


Further information and download: