Author Description

Excerpt from Illustrated Catalogue of the Celebrated Voightländer and Son's Portrait-Lenses and Euryscopes: Also, the Well-Known Darlot Lenses; April, 1887 The front and back combinations being perfectly symmetrical, supe rior marginal definition and perfectly even illumination of the plate can be Obtained, and, with the same length of focus as heretofore, a larger field is covered and the size of the image increased, the resulting picture being absolutely free from distortion. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.