文章基本信息
- 标题：写植用感光材料の感度表示の研究
- 本地全文：下载
- 作者：菊池 真一 ; 小口 正信 ; 宮川 俊夫 等
- 期刊名称：日本写真学会誌
- 印刷版ISSN：0369-5662
- 电子版ISSN：1884-5932
- 出版年度：1980
- 卷号：43
- 期号：3
- 页码：163-168
- DOI：10.11454/photogrst1964.43.163
- 出版社：The Society of Photographic Science and Technolgy of Japan
- 摘要：
The authors investigated on determining sensitivity of phototypesetting films and papers, based on the exposure condition which the line-width of character could be correctly reproduced under. The line-width is faithfully reproduced under the following conditions; Film: The exposure to cause 2.0+Δ D density units. Paper: Three times exposure to cause 0.7+Δ D density units.(Δ D is fog-plus-base density) Finally, the authors propose to determine the sensitivity as follows; Film: Sf =100/ E ( E : lux·Esec at D =2.0+Δ D ) Paper: Sp =100/3 E ( E : lux·Esec at D =0.7+Δ D )
