Welcome to the 1520 Perfect Dictionary
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| Collimating marks | |
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| COLLIMATING MARKS Definition: Index marks permanently fixed on the camera body, which form images on the negative. These images are used to determine the position of the optical center or principal point of the imagery. ___________________________________ See perfect mark (3). See perfect type (1). ____ See perfect use (1). See perfect use (2). ____ See perfect usefulness. See perfect collimation (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |