The American annual of photography (1914) (14780199305)
Helmar Lerski (1871-1956)
(Internet Archive Book Images)Identifier: americanannualof28newy (find matches)
Title: The American annual of photography
Year: 1914 (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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d under many brands. One chemical Ican vouch for as being the most useful of all the developers,and that is rodinal. It will do anything that any other de-veloper will, if used properly, does not stain the fingers, workswell in any dilution, and makes splendid prints on anypaper. While I am speaking of rodinal, I want to say a word on itsapplication to color photography. A solution of one partrodinal and nine parts water will develop a color plate forfirst or second development with perfect success. I have beenusing this method for the purpose for the last year, and amperfectly satisfied to leave the mixtures of metol, hydroquinoneand ammonia as well as pyro-ammonia to those who like thesmell of ammonia in their laboratory. One new thing I have found with regard to color plates thatmay be of value to others, and that is a method of developingthese plates (Dufay-Autochrome, and the others) with anordinary light, ruby of course being taken for granted. Makeup a solution as follows— 44
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PORTRAIT. Helmar Lerski. Water lOo cc. io% Potassium Bromide lo cc. Saturated solution of Sodium bisulphate. 2 cc. Bathe your plates, after exposure, in this solution for twominutes. Rinse well in the dark, and you may develop in aruby light as the color sensitiveness is destroyed by this solu-tion. Gradation is not affected and if you are not satisfiedwith working with time and temperature methods, you canobtain excellent results in this way. In speaking of what I consider the most important items ina photographic laboratory, I forgot several things—a Watkinsmeter, and a copy of the Principles and Practise of Photo-graphy, by Alfred Watkins. These two items with a Wat-kins time thermometer should have been mentioned first. In connection with color plates one point must not be for-gotten. If you are photographing dark objects with a colorplate do not forget that your exposure must be increased inthe same ratio as with an ordinary plate, 50 per cent morebeing about right as a general
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Helmar LerskiHelmar Lerski byl fotograf, který stál u zrodu moderní fotografie. Řadí se do světové meziválečné avantgardy jako zástupce německé Nové věcnosti společně s umělci jako byli Karl Blossfeldt, Albert Renger-Patzsch, August Sander a Walter Peterhans. Tato skupina představovala nový směr, kterým se vydala fotografie v Evropě - tzv. nemanipulovaná fotografie. Jeho dílo je známé v USA, Německu, Izraeli a Švýcarsku. Specializoval se především na portréty a techniku fotografování se zrcadly. .. pokračovat ve čtení