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Introduction. Meniscus Landscape Lenses. Portrait Lenses. Early Double Objectives. Optical Glass. The First Anastigmats. The Triplet Lens and its Modifications. Meniscus Anastigmats. Telephoto Lenses. Reversed Telephoto Lenses. Varifocal and Zoom Lenses. Catadioptric (Mirror) Systems. Lens Attachments. Brief Biographies. Appendix. A Glossary of Optical Terms.
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