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A spool of roll film is usually loaded on one side of the camera and pulled across to an identical take up spool on the other side of the shutter as exposures are made. When the roll is fully exposed, the take up spool is removed for processing and the empty spool on which the film was originally wound is moved to the other side, becoming the ...
The first flexible photographic roll film was sold by George Eastman in 1885, [45] but this original "film" was actually a coating on a paper base. As part of the processing, the image-bearing layer was stripped from the paper and attached to a sheet of hardened clear gelatin. The first transparent plastic roll film followed in 1889. [46]
Film is then dried in a dust-free environment, cut and placed into protective sleeves. Once the film is processed, it is then referred to as a negative. The negative may now be printed; the negative is placed in an enlarger and projected onto a sheet of photographic paper. Many different techniques can be used during the enlargement process.
roll film 1899 1984 2 + 1 ⁄ 2 × 4 + 1 ⁄ 4 in 63.5 × 107.95 mm Like 616 film with wider flanges 117: roll film 1900 1949 2 + 1 ⁄ 4 × 2 + 1 ⁄ 4 in 57.15 × 57.15 mm 6 Like 620 spool with 120 keyslot 118 roll film 1900 1961 3 + 1 ⁄ 4 × 4 + 1 ⁄ 4 in 82.55 × 107.95 mm 3.474-inch spool 119 roll film 1900 1940 4 + 1 ⁄ 4 × 3 + 1 ...
The photograph depicts a lush green rolling hill with cirrus clouds during a daytime sky, with mountains far in the background. [1] [2] It was taken by Charles O'Rear, a former National Geographic photographer and resident of St. Helena, California, in the Napa Valley region north of San Francisco, while on his way to visit his girlfriend in ...
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