The Secret of Exposure
The Secret of Exposure
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In our eReader you can find the full English version of the book. Read The Secret of Exposure 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 Secret of Exposure
What reading level is The Secret of Exposure book?
To quickly assess the difficulty of the text, read a short excerpt:
Finding Focal Length under it. Focus on a chimney or church spire on the horizon and make the image fall upon one of the pencil lines. Now draw a pencil line BE upon the paper along the side of the camera and then turn the camera until the image falls upon the other line, when a second pencil line AD is drawn as before. After this, remove the camera and prolong the lines until they intersect, making an angle at C. Now measure the distance between the pencil lines upon the ground glass and lay o...ff this exact distance DE so as to form the triangle DEC. See Fig. 17. Find the exact center F of this base line and draw FC. The length of FC is then the equivalent focus of the lens.
In the case of cheap cameras fitted with single lenses the stops of which are not numbered or are marked with arbitrary numbers from I (largest opening) to 4, the / values are found by measuring from the stop to the film and dividing this number by the diameter of the stop. It will probably be THE SECRET OF EXPOSURE.
What to read after The Secret of Exposure?
You can find similar books in the "Read Also" column, or choose other free books by Frank Roy Fraprie to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Finding Focal Length under it. Focus on a chimney or church spire on the horizon and make the image fall upon one of the pencil lines. Now draw a pencil line BE upon the paper along the side of the camera and then turn the camera until the image falls upon the other line, when a second pencil line AD is drawn as before. After this, remove the camera and prolong the lines until they intersect, making an angle at C. Now measure the distance between the pencil lines upon the ground glass and lay o...ff this exact distance DE so as to form the triangle DEC. See Fig. 17. Find the exact center F of this base line and draw FC. The length of FC is then the equivalent focus of the lens.
In the case of cheap cameras fitted with single lenses the stops of which are not numbered or are marked with arbitrary numbers from I (largest opening) to 4, the / values are found by measuring from the stop to the film and dividing this number by the diameter of the stop. It will probably be THE SECRET OF EXPOSURE.
What to read after The Secret of Exposure?
You can find similar books in the "Read Also" column, or choose other free books by Frank Roy Fraprie to read onlineMoreLess
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