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Canon EOS-1D Mark II and EOS-1Ds Mark II firmware

Oct 12, 2005 at 08:15 GMT

Canon has today posted firmware updates for the EOS-1DS Mark II and the EOS-1D Mark II. Both updates fix problems with file numbering that occurred when shooting bulb exposures and also improves communication when using some CompactFlash cards. Version 1.1.4 for the EOS-1Ds Mark II also addresses a problem of horizontal line noise appearing when P.Fn-21 is set to ON.

Click here to download Canon EOS-1Ds Mark II firmware update version 1.1.4 (Windows and Mac)

Click here to download Canon EOS-1D Mark II firmware update version 1.2.4 (Windows and Mac)

Release notes:

Firmware update for the Canon EOS-1Ds Mark II v1.1.4

What's new?

1. Fixes the phenomenon of horizontal line noise appearing when P.Fn-21 is set to ON.
Fixes the phenomenon of horizontal line noise appearing occasionally in shots taken with P.Fn-21 set to ON at high ISO setting, depending on the shutter release timing.

2. Fixes the phenomenon of file number errors that occurred when shooting bulb exposures.
Fixes the phenomenon of file numbers not being sequential even if the file number setting is for sequential numbers if a CF card is replaced while the power of the camera is switched on.

3. Improves reliability in communication when using some CF cards.

Note for users of the Wireless File Transmitter WFT-E1/E1A:

The camers's WFT-E1/E1A settings will be initialized after the firmware is updated. Please re-set them after the update.

Release notes:

Firmware update for the Canon EOS-1D Mark II v1.2.4

What's new?

1. Fixes the phenomenon of file number errors that occurred when shooting bulb exposures.

Fixes the phenomenon of file numbers not being sequential even if the file number setting is for sequential numbers if when a CF card is replaced while the power of the camera is switched on.

2. Improves reliability in communication when using some CF cards.

Note for users of the Wireless File Transmitter WFT-E1/E1A:
The camers's WFT-E1/E1A settings will be initialized after the firmware is updated. Please re-set them after the update.

This firmware update applies to cameras with firmware version up to 1.2.3 installed. If your camera's firmware is already version 1.2.4, it is not necessary to perform this update.
Before downloading the firmware update, please be sure to read the entire contents of this page.