My EF 24-105 f/4 L lens has an annoying zoom creep; the barrel feels pretty loose, and the zoom ring rotates under the weight of the front element when pointed either up or down. Before I resort to a rubber band trick I read about online, wanted to check if someone familiar with the construction of the lens can point out for me the location of the tightening screws for the zoom. I found some easily accessible ones under the focusing rubber grip ring, and wanted to double check if they’re the ones responsible for tightening the inner barrel. Thank you, Vlad
