The American annual of photography . adly under-exposed; if the correct exposure is givento the landscape, then the clouds are literally burnt up fromover-exposure, and no matter how contrasty they may haveappeared to the eye, an unscreened photograph shows only ablank white sky. The Royal Foreground Ray Screen is also very useful forsubjects which are more strongly illuminated on one sidethan on the other, as in photographing by the light of a sidewindow or in a narrow street. By simply turning the darkside of the foreground screen toward the bright side of theobject a good, even exposure wil
The American annual of photography . adly under-exposed; if the correct exposure is givento the landscape, then the clouds are literally burnt up fromover-exposure, and no matter how contrasty they may haveappeared to the eye, an unscreened photograph shows only ablank white sky. The Royal Foreground Ray Screen is also very useful forsubjects which are more strongly illuminated on one sidethan on the other, as in photographing by the light of a sidewindow or in a narrow street. By simply turning the darkside of the foreground screen toward the bright side of theobject a good, even exposure will result. No. Diameter Inches. Price. No. Diameter Inches. Price. 0 ^8 $1-50 8 2V^ $3-00 1 iVio 9 2^ 3-25 2 for box cameras 10 3 3-50 3 iVir. II 3% 400 4 ii/^ 12 35^ 450 5 i^ 13 4 525 2 14 4% . 7 2% GEORGE MURPHY, Inc. 57 East 9th Street NEW YORK XXIX You Set tlie ONE Scale, It Does the Rest The Wynne Infallible Exposure Meter THE CHOICE OF AMERICAS FOREMOST PHOTOGRAPHERS NOT LIKE OTHER METERS. For F System. For Uniform System. An unerring guide to the correct exposure required for every speed ofplate, on every kind of subject, and under every condition of light. Forany set of conditions of Light, Plate, and Lens Aperture, only two simpleoperations are necessary to find simultaneously the correct exposure forevery stop from the largest to the smallest, viz.: Firstly—Turn the milled edge of the instrument, and thus exposethrough the slot a fresh surface of sensitive paper until it assumes thecolor of the painted tint, and note the number of seconds or minutes ittakes to color. This is called the Actinometer Time. Secondly—Set the movable scale until this Actinometer Time is againstthe Speed Number of the Plate to be used, then against every stop inouter scale will be found the correct corresponding exposure, or, shortly,you set the one Scale, it does the rest, These Meters are furnished in the F. and U. S. systems. When order-ing pleas
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorktennantandw
