The book of Photography Practical Theoretic And Applied
The book of Photography Practical Theoretic And Applied
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In our eReader you can find the full English version of the book. Read The book of Photography Practical Theoretic And Applied Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The book of Photography Practical Theoretic And Applied
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In a similar way, the stripped film may be made smaller instead of larger, by treatment with for- malin followed by alcohol, or in a lesser degree by the use of methylated spirit. In this case, the image is intensified.
REDUCTION OF FOGGED NEGATIVES. When fog is present in a negative that is also too thin, the best treatment is to use the ferricyanide reducer for the removal of the fog, afterwards well washing and then intensifying. The ferricyanide should not be very strong, and the negative s...hould not be immersed for longer than is found 144 THE BOOK OF PHOTOGRAPHY.
necessary to clear it. For the removal of dichroic or colour fog, Abney's ferric chloride formula is recommended, as given on p. 140. A little retouching medium on a soft silk rag, applied with gentle friction, is frequently efficacious, or methylated spirit may be used. These, however, are of use only when the dichroic fog is merely a surface deposit.
REDUCTION AND TONE VALUES. It has been shown that the gradation of a negative may be greatly altered both by reduction and by intensification.
What to read after The book of Photography Practical Theoretic And Applied?
You can find similar books in the "Read Also" column, or choose other free books by Paul N Paul Nooncree Hasluck to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In a similar way, the stripped film may be made smaller instead of larger, by treatment with for- malin followed by alcohol, or in a lesser degree by the use of methylated spirit. In this case, the image is intensified.
REDUCTION OF FOGGED NEGATIVES. When fog is present in a negative that is also too thin, the best treatment is to use the ferricyanide reducer for the removal of the fog, afterwards well washing and then intensifying. The ferricyanide should not be very strong, and the negative s...hould not be immersed for longer than is found 144 THE BOOK OF PHOTOGRAPHY.
necessary to clear it. For the removal of dichroic or colour fog, Abney's ferric chloride formula is recommended, as given on p. 140. A little retouching medium on a soft silk rag, applied with gentle friction, is frequently efficacious, or methylated spirit may be used. These, however, are of use only when the dichroic fog is merely a surface deposit.
REDUCTION AND TONE VALUES. It has been shown that the gradation of a negative may be greatly altered both by reduction and by intensification.
What to read after The book of Photography Practical Theoretic And Applied?
You can find similar books in the "Read Also" column, or choose other free books by Paul N Paul Nooncree Hasluck to read onlineMoreLess
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