Keywords: Ptp p86 img01.png en First illustration on page 67 86 captioned Rudolph and Wandersleb's Tessar F/3 5 2011-04-14 http //www archive org/details/PhotographyTheoryAndPractice L P Clerc PD-old Uploaded with UploadWizard Photography Theory and Practice Cutaway diagrams of photographic lenses |