The more I think of it, the more I believe that this problem comes from the IS motors.Even when IS is disabled, IS motors keep the inner lenses "up and running" (thus the noise I hear) and this alone takes a big share on the battery, due to the massi...
Thanks a lot for your reply, but I find this lead unlikely.I never use continuous AF. Moreover I assure that the noise I hear is clearly independant from the AF motors.AF motors are clearly sleeping as long as I keep my finger from the shutter button...
Greetings.I have faced a similar case ever since I purchased my first RF lens (135mm F/1.8 IS USM) for my R5, 9 months ago.To this date I had only used several EF lenses mounted with the official EF/RF Canon adaptor. No battery drain was to be report...
