 Curtis W. Bryant |
How long for sun set exposure? I was told that iso's 50-200 would be good for exposing the film in low light settings such as sun rises and sun sets. but how long should I expose it? should I use a remote shutter release? Is any flash required in these situations?
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Jeff S. Kennedy |
Do you have a light meter? Meter the sky where it looks like a mid toned blue and use that as your exposure point.
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Curtis W. Bryant |
thank you for you responses
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Ricky Lloyd |
A 50 iso will be better quality and I usually rate my negative film at 1/2 the speed eg 50 @ 25. This gives better exposures for most cameras. A cable/remore release is always good to prevent camera shake with or without a tripod A flash won't make much difference on a landscape but is good to really light a person or foreground objects which may be the main focus. Time is obviously related to aperture but it will probably be slow even with a wide aperture so a tripod is a good idea. To get exposure right do what jeff said and if your using 35mm film bracket - one w/ light metres readings, one with one or 1/2 stop over exposed and another with 1/2 or one stop under exposed.
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John A. Lind |
I've never had to use an EI different from rated film speed . . . from ISO 25 to ISO 1600 . . . provided exposure was within the film's reciprocity range. The only time I've had to make corrections is with long exposure times that bite into a specific film's reciprocity failure. The exposure correction lenthens shutter speed or opens aperture further. Obviously this is something that would be encountered more frequently with slower films. The length of exposure when reciprocity failure occurs and how much to correct for it depends on each specific film, and the data sheet for the film will have details about it under the section with exposure recommendations . . . along with recommended correction factors. It leaves me wondering if Ricky is encountering reciprocity failure with long exposures when using ISO 50 film when he finds using it at EI 25 provides better exposure. -- John
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