Only because it is in all those pictures from every era. An old tool and still in use. At the time of my last visit in 2003 they still used the Carl Zeiss K6 lens tester in one of the images. Note that a film was exposed in every TLR that left the factory, developed and the negative checked. Ferdi. Op 10 okt. 2014, om 15:55 heeft Kenneth Frazier <kennybod@xxxxxxx> het volgende geschreven: > For those of us who may not be familiar with it… > > Why is the Rollei collimator "legendary?" > > thanks much, > > Ken http://dobleobjetivo.blogspot.com.ar/2006_11_01_archive.html--- 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