File:The artistic side of photography in theory and practice (1910) (14782025945).jpg

Identifier: artisticsideofph00ande (find matches)
Title: The artistic side of photography in theory and practice
Year: 1910 (1910s)
Authors: Anderson, A. J. (Arthur James), b. 1863
Subjects: Photography
Publisher: London, S. Paul & Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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raph. (c) The deep gradations of the high lights, which liedeep in the film, and on these depends the delicacy ofthe photograph. (d) There are also the middle tones, but these, Ithink, must be left to take care of themselves ; and ifthe contrasts are right, the half tones may be trustedto turn out right. Now (A) if we take a good ordinary negative and rubaway the surface with globe-polish; if we rub until wehave quite rubbed away the shadow details andnearly rubbed away the middle tones, we shall also rubaway the surface of the high lights. This part of thehigh lights that we have rubbed away is the coarsepart, and if we could examine it we would find that ithad an even tone of density, without any gradation.*The function of this coarse part is to give strength tothe high lights ; it has been too heavily bruised by the * I do not claim that this (A) is scientifically accurate,only approximately and practically accurate. What moredo you want ? 67 THE CRYSTAL GAZERBy Mrs. G. Kasebier 68
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The Secret of Development violence of the light to have any appreciable grada-tion ; it has been so heavily bruised that, if the platebe left in a strong developer, it will become vastlydense. If this coarse part be over-developed it willsimply bury and kill the delicate gradations of the highlights: it must be developed sufficiently to givestrength, without causing the high lights to print outtoo white. It is an important part of the negative,because it is the part that one keeps on developinguntil one has secured the desired amount of contrast. (B) So long as (that unnecessary and harmfulingredient) bromide is not mixed with the developer,the shadows, which are on the surface, will get aconstant change of developer, and should cause notrouble. (C) If it be desired to develop the delicate gradationsof the high lights, deep in the film, the developer musthave plenty of time to circulate through the film. Adiluted developer will reach and develop these grada-tions before the coarse sur

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