Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Eastman Kodak Company · Rochester, N.Y. : Eastman Kodak Company · leaf 26
a distance from the tree that with a lens of three inches focal length we obtain a pic- ture in which the image of the tree is one inch long. Now, if with the camera at the same distance from the tree, we had used a six-inch lens instead of the three-inch lens, which means that in- Fig. 19. stead… … Fig. 20 iens as we should obtain with I mages Formed by a pinhole at various distances. _.,_., the three-inch lens, because with the three-inch lens the tree would be, say, a quarter of the length of the film, Fig. 21. w hili- with the six-inch lens it A lens forms an image at only one point. 22
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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