Practical Photography volume 7
Practical Photography volume 7
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In our eReader you can find the full English version of the book. Read Practical Photography volume 7 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 Practical Photography volume 7
What reading level is Practical Photography volume 7 book?
To quickly assess the difficulty of the text, read a short excerpt:
Use of the Condenser. — Where the maximum size of negative worked from is not over 5x7, the cost of a condenser is not excessive, and, of course, for commer- HOW TO MAKE LANTERN SLIDES 39 cial work it often pays to use a condenser for much larger sizes. Any of the more powerful concentrated lights may be employed, though the choice will usually be made from the arc, a high-power tungsten, or acetylene.
Arc Light. — The arc light is very intense and also highly actinic, particularly the enclosed... arc, so that small stops may be used, dense negatives worked from, and very rapid exposures made — all rather important points in trade work, the use of small stops enabling rapid focusing at a large aperture, the stopping down ensuring critical definition. A drawback is that the light is subject to "flicker, " which is annoying and rather irritating to the worker's eyes. The heat evolved is also considerable, and it is advantageous to hang the lamp in another room, building the condenser into the wall.
What to read after Practical Photography volume 7?
You can find similar books in the "Read Also" column, or choose other free books by R Roger Child Bayley to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Use of the Condenser. — Where the maximum size of negative worked from is not over 5x7, the cost of a condenser is not excessive, and, of course, for commer- HOW TO MAKE LANTERN SLIDES 39 cial work it often pays to use a condenser for much larger sizes. Any of the more powerful concentrated lights may be employed, though the choice will usually be made from the arc, a high-power tungsten, or acetylene.
Arc Light. — The arc light is very intense and also highly actinic, particularly the enclosed... arc, so that small stops may be used, dense negatives worked from, and very rapid exposures made — all rather important points in trade work, the use of small stops enabling rapid focusing at a large aperture, the stopping down ensuring critical definition. A drawback is that the light is subject to "flicker, " which is annoying and rather irritating to the worker's eyes. The heat evolved is also considerable, and it is advantageous to hang the lamp in another room, building the condenser into the wall.
What to read after Practical Photography volume 7?
You can find similar books in the "Read Also" column, or choose other free books by R Roger Child Bayley to read onlineMoreLess
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