Identifier: americanannualof1912newy (find matches)
Title: The American annual of photography
Year: 1912 (1910s)
Authors:
Subjects: Photography
Publisher: New York : Tennant and Ward
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
n be expectedfrom a negative with crisp, high lights and clear shadows.My own preference is for a pyro-soda developer, used withoutbromide if the plate will stand it. The result is usually asomewhat flat-looking negative, unless the object has a darkbackground. Metol-hydroquinone is a very suitable developerfor this class of work. The test of the negative is the print,and the operations of exposure and development must beadjusted so as to make it as much as possible a transcript ofnature. LABORATORY BOTANICAL PHOTOGRAPHY. Plant photography indoors, while it covers a very muchwider field, is altogether easier and less trying than field work;no dense growth has to be cut and pulled away, no windspringing up at critical moments, no capping and uncappingof the lens, with its accompanying risk of movement. In thelaboratory matters are more or less under the photographerscontrol, and little difficulty occurs that cannot be overcomeby patience and ingenuity. As a rule the laboratory work 112
Text Appearing After Image:
WILD MIMULUS—IN-DOORS. G. t. Harris, f.r.p.s. Illustrating Article, Botanical Photography. consists of photographing the entire plant and making enlargedphotographs of the various organs, etc. Dealing first withphotographs of the entire plant: This has to be supported insuch a manner that it displays the plant in a natural mannerand without the support being obtrusively prominent. To dothis, simple as it may at first seem, will lay a heavy tax on theskill and ingenuity of the operator, for it does seem that everyplant requires a special piece of apparatus, designed to hold 113 it in a firm and suitable manner. First of all, movement fromevaporation has to be guarded against by seeing that it hasaccess to a water supply sufficient to replace the loss by trans-piration ; and when it is remembered that this process is sorapid that a plant like the sunflower will give off about a quartof fluid in 24 hours, it is conceivable that even in a compara-tively short exposure movement from this

Note About Images