July 25, 2007 at 10:59 pm #23448 david hParticipant @david-h …film camera on a canon 20D? would the magnification be altered? – also i’d be using an adaptor as its an olympus lens onto a canon 20d digital thanks July 25, 2007 at 11:09 pm #43866 Eric FordGuest @ Yes, because of the 1.5x sensor crop it should become about 42-158 on the 20D and most DSLRs with an APS size sensor. Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to create new topics.