File:The American annual of photography (1919) (14595867738).jpg

Identifier: americanannualof3334newy (find matches)
Title: The American annual of photography
Year: 1919 (1910s)
Authors:
Subjects: Photography
Publisher: New York : Tennant and Ward
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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Figure 3. ing sides are parallel, but the amount of subject seen in thefinder is slightly more at the top than that received on theplate in the camera, and slightly less at the bottom. The extraportion included in the finder at the top, measured on the sub-ject itself, as at JE, is evidently equal to the distance fromthe centre or axis of the lens B to the top G of the frame;while the portion KF subtracted at the bottom is equal to thedistance from the centre of the lens to the bottom H of theframe. 84
Text Appearing After Image:
CLIFF PALACE, MESA VERDE NATIONAL PARK. GEORGE L. BEAM. 8S It is not difficult to bear these differences in mind and toallow for them. Thus, suppose the distance BG is equal to 7inches. If the highest subject in the picture is a lofty tree,we shall know that 7 inches less actual space or sky immediate-ly above this tree will be included in the picture than in thefinder, and we must raise the camera, or the rising front ifthat has the frame attached to it, until the finder shows about7 inches too much space above the tree. It will be under-stood that the real tree itself is spoken of, to which an imagi-nary increase of height has to be made. Of course, quite asmall movement will suffice to bring that additional amountof a far-off subject into view, while more is required for a

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