…In general development, the silver for the image is supplied from silver halide crystals, but there is also a method in which silver or mercury salts added to the developer are reduced and precipitated on the development nuclei. The former is sometimes called chemical development and the latter physical development, but physical development is not used in general development. Also, while film development usually produces a negative image, there is a method of directly obtaining a positive image called reversal development. … *Some of the terminology that refers to "chemical development" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このように一般の現像では,画像となる銀はハロゲン化銀結晶から供給されるが,現像液に添加された銀,または水銀塩を還元して現像核に析出させる方法もある。前者を化学現像,後者を物理現像と区別する場合もあるが,物理現像は一般の現像には用いられない。 また,通常,フィルムの現像ではネガ像が得られるが,直接ポジ像を得る方法として,反転現像reversal developmentがある。… ※「化学現像」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 |
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