Richard Knoppow wrote: > In any case, all of these lenses, five element and six > element Planar/Xenotar, and the Leitz Summicron, are all > memebers of the same family of lenses. That said, there is much variation and significant differences between them. Eric Goldstein --- 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