when i borrowed this lens for a week i found i had to use it on my 350D, because on my 40D it did weird things to the battery - while focusing, the camera would often just turn off, and when i turned it back on it said low batt - but when i swapped lenses, battery was actually still full!
but on 350D 1 battery lasted for ages as normal
has anyone else had problems like this with the 85L or other camera/lens combos? what is the solution?
it worked fine when i had used it on a 40D .. thats weird though. do you have latest firmware on it?


the 85L is just a marvel of optical engineering...!!!







