. Carnegie Institution of Washington publication. PHOTOGRAPHY AND PHOTOMICROGRAPHY. 133 shown in fig. 24 may be used for this purpose. To avoid shadows the mirror should be held some distance above the object when the surface is not even. The first five of the Zeiss series of Planars are all that are usually required. No. i gives the highest. Fig. 123.* *Fic. 123.—Simple apparatus for holding the camera in place when one wishes to photograph down. The camera here shown is a Rochester Optical Company, reversible back 5 by 8, fitted with a Bausch & Lomb rapid universal lens, and has been use
. Carnegie Institution of Washington publication. PHOTOGRAPHY AND PHOTOMICROGRAPHY. 133 shown in fig. 24 may be used for this purpose. To avoid shadows the mirror should be held some distance above the object when the surface is not even. The first five of the Zeiss series of Planars are all that are usually required. No. i gives the highest. Fig. 123.* *Fic. 123.—Simple apparatus for holding the camera in place when one wishes to photograph down. The camera here shown is a Rochester Optical Company, reversible back 5 by 8, fitted with a Bausch & Lomb rapid universal lens, and has been used very often by the writer for natural-size work and for lantern Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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