One other reason for trying to do things a different way, of course, would be to get around existing patents. This was an issue with the early Canons. The Kwanon prototype had stuff on it that was infringing and before the camera could be put into production, alternatives had to be found. --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list