| film speed |
An arbitrary number placed on film that tells how much light is needed to expose the film to the correct density. Generally, the lower the ISO number, the finer grained and slower a film. ISO means International Standards Organization. This term replaces the old ASA speed indicator. The slower the film, the more light is needed to expose it.
출처: www.cr.nps.gov/nr/publications/bulletins/photobul/...
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| film speed |
The sensitivity of a given film to light, indicated by a number such as ISO 200. The higher the number, the more sensitive or faster the film.
출처: www.kodak.com/global/en/consumer/products/techInfo...
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| film speed |
The sensitivity of film to light. The higher the film speed number, the more sensitive the film. A higher speed film can be used in lower light situations than a low speed film. Consumer film speeds generally range between 50 and 800.
출처: www.weddingchannel.com/ui/buildArticle.action
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| film speed |
The relative sensitivity to light of photographic film. Measured by ISO (or ASA or DIN) rating. Faster film (higher number) is more sensitive to light and requires less exposure than slower film. See also Speed.
출처: www.sederquist.com/clagloss.html
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| film speed |
A value which represents how sensitive a film is to light - normally expressed as ISO100, ISO800, etc. As the number increases, the film is more sentitive to light, but normally more grainy too. Slower films can be less flexible but offer much higher quality.
출처: www.fotoserve.com/glossary/f.html
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