Canon EF 100-400mm f/4.5-5.6L IS II Firmware Update

[Paul W. H]

If you own a Canon EF 100-400mm f/4.5-5.6L IS II there is an official Canon firmware update that you can do yourself.

See https://www.canonrumors.com/firmware-canon-ef-100-400mm-f-4-5-5-6l-is-ii-usm-v-1-0-7/

 

[Canon Bob]

As long as the body supports lens firmware updating then yes.......when you download the firmware, instructions for performing the update are attached