Digital presentation of a genuine Zeiss Contaflex I / II / III and IV service manuals.  Please understand at the time the sample manual was digitized, it was a somewhat used service manual over 50 years old.  Needless to say, all pages are very usable/readable; however, they do not have the contrast of manuals that are created completely in the digital format of today.  Download available immediately after payment is accepted. 2 download limit for file(s) purchased never expires.