The advance of photography : its history and modern applications (1911)

Record Details:

Title:
The advance of photography : its history and modern applications
Date:
1911
Publisher:
London : K. Paul, Trench, Trübner & Co., Ltd.
Volume:
The advance of photography : its history and modern applications
Leaf #:
000256
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
November 02, 2023
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206 THE ADVANCE OF PHOTOGRAPHY We might reply that this depends on the individuality of the person. Painters in general recommend for the drawing of an object a distance that is twice its own length ; accordingly, for a man six feet in height, a distance of about twelve feet ; for his bust, about five feet. The painter, however, has here greater freedom ; he can add, omit, and alter at his pleasure. In photography this is only partially possible. Very fine results in portraiture can, however, now be produced with the telephoto lens. The Adon is a lens which can be used for this purpose, and this lens can be attached directly to the camera. Besides the advantage as to proportion which one x cl y.v.N'-MJ7 Fig. 90. obtains, especially when the space is limited, a diffused effect can be obtained by using a large stop, so that the large aperture may admit the necessary rays and bring about diffusion of focus. The appearance of hollow bodies is as much altered by distance as that of solids. If A B C D (fig. 90) is the inside of a box, we should see the side A B much more foreshortened from the distance P than from 0' or N ; therefore, its picture taken at short distances will show it wider in proportion to its height than if taken from a more distant point. The same thing occurs if we imagine A C to be the trunk, and C D the lap or the feet of a seated person. In that case the lap appears much larger in relation to the trunk, and the feet of a standing person appear longer from the shorter