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Saturday, November 7, 2020

Canon announced Firmware V 1.0.9 for EF 400mm f/4 DO IS II lens


Firmware version 1.0.9 has been released for the Canon EF 400mm f/4 DO IS II lens

The new firmware fixes the possibility that the IS mechanism may cause the image to jump.

This is my favorite handholdable Super Telephoto lens from Canon and I never go on any wildlife photography tours with it.

Download firmware V1.0.9 on Canon USA's website

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