Schumann plate
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A special plate designed for short-wavelength ultraviolet photography. Ultraviolet rays and other radiation with wavelengths below 250 nm are easily absorbed by the gelatin in the plate, so very little gelatin is used. It was created by V. Schumann. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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短波長の紫外線写真撮影に適するようにつくられた特殊乾板。 250nm以下の波長の紫外線，その他の放射線は，乾板のゼラチンに吸収されやすいので，ゼラチンをきわめて少く使用している。 V.シューマンによってつくられた。
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