...In this way, the screen functions to change the shades of a photograph into large and small halftone dots. There are two types of screens: contact screens and glass screens. The former is a plastic film with gradated halftone dots, while the latter is also called an intersection screen, and is a glass plate with a grid of intersecting black opaque straight lines. When a contact screen is placed in close contact with a photosensitive plate and a photograph of an original is taken, a so-called halftone negative is created, with large halftone dots in the light areas of the original and small halftone dots in the dark areas. ... *Some of the terminology that mentions "glass screen" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このように,写真の濃淡を大小の網点に変える働きをスクリーンがもっている。スクリーンにはコンタクトスクリーンとガラススクリーンの2種があり,前者はプラスチックフィルムにぼかし網点を設けたもの,後者は交線スクリーンともいって,ガラス板に黒い不透明の直線が交差した格子状に入ったものである。コンタクトスクリーンを感光板に密着して原稿の写真を撮影すると,原稿写真の明るいところは大きな網点,暗いところは小さな網点となったいわゆる網ネガティブができる。… ※「ガラススクリーン」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Glass phosphoric acid - Glass phosphoric acid
Located in Honkomagome 6-chome, Bunkyo-ku, Tokyo,...
…In Germany, a medicine for coronary aneurysms is...
Also known as Lake Tsana. The largest lake in Ethi...
1457-1527 A nobleman and poet from the Muromachi ...
〘Noun〙 In ancient China, an imaginary auspicious b...
Year of birth: Year of birth and death unknown. A ...
…Seed germination is visible to the naked eye as ...
Pottery kilns built by political rulers. They are...
A seedling variety of citrus introduced from China...
A military tale from the Kamakura period. Also rea...
Epistles included in the New Testament Apocrypha. ...
A deciduous woody creeper of the Menispermaceae fa...
…the historical name of the region centered on th...
A type of wrench, named after the shape of its hea...
This lake is located on the right bank of the dow...