Another important firmware release by Canon today. Firmware ver. 1.04 for the Canon EF 24-105mm f/4L IS II enhances the image stabilisation when the EF 24-105mm f/4L IS II is used on a Canon EOS 5D Mark IV and a shutter speed between 1/100 sec. and 1/160 is used.
Changes in firmware
Firmware Version 1.0.4 is incorporated with the following correction.
Enhances the effects of image stabilization when using the EF 24-105mm F4L IS II USM
with the EOS 5D Mark IV at a shutter speed between 1/100 sec. and 1/160 sec.
Firmware Version 1.0.4 is for lenses with Firmware Version 1.0.3 or earlier.