Canon Rumors Guy
Canon EOS 40D
- Jul 20, 2010
Canon has released new firmware for the Canon EF 100-400mm f/4.5-5.6L IS II USM which fixes an issue with the IS jumping.
Firmware Version 1.0.7 incorporates the following fix.
Fixes a phenomenon, in rare cases, the IS mechanism may cause the image to jump.
Download firmware v1.0.7 at Canon USA