Synopses & Reviews
Synopsis
Excerpt from Telephotography: An Elementary Treatise on the Construction and Application of the Telephotographic Lens
This treatise is addressed to those who practise photography either for pictorial or scientific ends.
The late Michael Faraday once remarked: Lectures which really teach will never be popular; lectures which are popular will never teach. All writers must experience the same inherent difficulty Of treating scientific matter in any but an academic style. The author has endeavoured to present the subject of Telephotography in a manner which presupposes only the very slightest acquaintance with the science Of Optics, explaining fully only those few properties or functions Of lenses, which are necessary to enable the photographer to understand the action Of the Telephotographic lens, and to comprehend the wide possibilities Of its applications.
The aim Of the present work, in short, has been to call attention to the scale in which Objects are reproduced in the image by ordinary photographic lenses, and to show how this image may be subjected to direct enlargement or magnification before it is received on the photo graphic plate.
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