Marc, If you also collect the after war Jena lens numbers: - CZJ Tessar 50/2.8 Nr. 5618540 with diaphragm aperture pre-selection = for Exakta VX. Regards, Jos=E9 Royo. --- 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