SIST ISO 7829:1997 PDF
Photography - Black-and-white aerial camera films - Determination of ISO speed and average gradient
Photography - Black-and-white aerial camera films - Determination of ISO speed and average gradient
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 9
- Дата публикации:
- 1 сентября 1997 г.
- ICS:
- 37.040.20
- Технический комитет:
- GRT - Graphical technology
Describes a method for determining the speed and average gradient of black-and-white negative films used in aerial photography. Depending on the processing conditions, a single film product may have several speed and gradient values. The specifications do not apply to infrared aerial films.
Abstract
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