Wet collodion process

Japanese: 湿板写真 - しっぱんしゃしん（英語表記）wet collodion process

A photographic method invented in 1851 by British sculptor F. Archer (1813-57). Compared to methods such as daguerreotype photography, it was simple to operate, inexpensive, and produced good results, making it a pioneer in the spread of photography. In Japan, it is also called "raw photography" or "glass photography," and became widely used during the Meiji period. It was called wet plate photography because the silver iodide collodion film applied to the glass plate was photographed while it was wet and did not lose its photosensitivity. Later, a photosensitive material that did not lose its photosensitivity even after drying was invented, and this was called a dry plate. Wet plate photography was also used in photoprocessing until the recent development of dedicated lithography film.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

1851年イギリスの彫刻家 F.アーチャー (1813～57) が発明した写真法。銀板写真法などに比べ，操作が簡便，経費も安く，仕上がりもよかったので，写真普及の先駆となった。日本では「なま撮り写真」「ガラス写真」とも呼ばれ，明治年間に一般に広まった。ガラス板に塗布したヨウ化銀コロジオン膜が，湿っていて感光性を失わない間に撮影するので，湿板写真と呼んだ。のち，乾燥後も感光度を失わない感光材料が発明され，これを乾板と呼んだ。写真製版でも，近年専用のリスフィルムができるまで，湿板写真が使われていた。

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