Method for Determining the Resolving Power of Photographic Lenses. Francis E. Washer and Irwine C. Gardner. [Preface by A. V. Astin. Supplement : Charts for Testing Lens Resolution.]. PDF Download
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Author: Francis E. Washer
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
![Method for Determining the Resolving Power of Photographic Lenses. Francis E. Washer and Irwine C. Gardner. [Preface by A. V. Astin. Supplement : Charts for Testing Lens Resolution.]. PDF](https://books.google.com/books/content/images/frontcover/ORRQQwAACAAJ?fife=w80-h100)
Author: Francis E. Washer
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
Author: Francis Earl Washer
Publisher:
ISBN:
Category : Lenses, Photographic
Languages : en
Pages : 38
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Author: Irvine Clifton Gardner
Publisher:
ISBN:
Category : Photographic lenses
Languages : en
Pages : 32
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Book Description
This Circular provides the photographer with a set of charts by which the resolving power of a photographic lens may be numerically measured with respect to a definite scale of values. A detailed description is given of the procedure and technique to be followed in order that comparable values may be obtained by different observers. The test provides an objective method of testing a photographic lens.
Author: Francis E. Washer
Publisher:
ISBN:
Category : Photographic lenses
Languages : en
Pages : 27
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Book Description
Author: Francis E. Washer
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Book Description
Author: Irvine Clifton Gardner
Publisher:
ISBN:
Category : Photographic lenses
Languages : en
Pages : 6
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Book Description
Author: Francis E. Washer
Publisher: Forgotten Books
ISBN: 9780266585220
Category : Science
Languages : en
Pages : 38
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Book Description
Excerpt from Method for Determining the Resolving Power of Photographic Lenses This publication supersedes nbs Circular _533, issued May 20, 1953. It contains the original data and a new appendix describing the nbs Microcopy Resolution Test Charts No. Loloa. It provides the photographer with two sets of charts by which the resolving' power of a photographic lens may be numerically measured with respect to a definite scale of values. A detailed description is given of the procedure and technique to be followed in order that comparable values may be obtained by different observers. The test provides an objective method of testing a photographic lens. The six charts of one set are printed in black ink on a white background to form a high-contrast chart. The six charts of the other set are printed with gray ink on a gray background to form a low - contrast chart. Additional uses of these charts are also described. These uses include the testing of goggle lenses for definition and prismatic power and the testing of telescopes and binoculars for definition. Key words: Photographic lenses; resolution test charts; resolving power. 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.
Author: Irvine C. Gardner
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Author: Francis E Washer
Publisher: Hassell Street Press
ISBN: 9781014295859
Category :
Languages : en
Pages : 40
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Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: F. E. Washer
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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