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<p>[QUOTE="moreotherstuff, post: 9737898, member: 56"]I've been thinking about this, and one thing to consider is that the Lisbon prints are based on engravings. Engravings are composed of discreet lines, they don't have the smooth tonal gradations of a painting. Lines are more easily captured and printed photographically than are tonalities.</p><p><br /></p><p>I had this offset reproduction of a 19th C fashion plate.</p><p>[ATTACH=full]475487[/ATTACH] </p><p><br /></p><p>The original would have been a hand colored etching. You can see, in this detail, that the offset method had no problem capturing simple lines, but when it came to broad areas of color, screens had to be introduced and the expected dot matrix appears:</p><p>[ATTACH=full]475488[/ATTACH] </p><p><br /></p><p>On a color picture like this Mountain Bluebird:</p><p>[ATTACH=full]475489[/ATTACH] </p><p><br /></p><p>The entire image is done using broad color separation screens, resulting in an obvious dot matrix:</p><p>[ATTACH=full]475490[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="moreotherstuff, post: 9737898, member: 56"]I've been thinking about this, and one thing to consider is that the Lisbon prints are based on engravings. Engravings are composed of discreet lines, they don't have the smooth tonal gradations of a painting. Lines are more easily captured and printed photographically than are tonalities. I had this offset reproduction of a 19th C fashion plate. [ATTACH=full]475487[/ATTACH] The original would have been a hand colored etching. You can see, in this detail, that the offset method had no problem capturing simple lines, but when it came to broad areas of color, screens had to be introduced and the expected dot matrix appears: [ATTACH=full]475488[/ATTACH] On a color picture like this Mountain Bluebird: [ATTACH=full]475489[/ATTACH] The entire image is done using broad color separation screens, resulting in an obvious dot matrix: [ATTACH=full]475490[/ATTACH][/QUOTE]
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