Sunlight and shadow; a book for photographers, amateur and professional (1897)
Adams, W. I. Lincoln (Washington Irving Lincoln), 1865-1946 · New York, The Baker & Taylor company · leaf 92
utter nec¬ essary to photograph an express train traveling at the rate of 50 miles per hour at a distance of 50 }7ards with an 8^-inch focus lens. The train moves 876 inches per second. 1,800 distance in inches -f(8ix ioo) = i,Soo 850 = ff. S76 X 17 876 speed of object per sec. pi = - = 413 = jf-j… … the rate of 50 miles per hour. How near can a camera
Photography, Artistic · Nature photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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