 BetterPhoto Member |
35mm film why is iso400 film typically used instead of 100? What is the difference? what determines which film to use?
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anonymous A. |
Ah! That makes more sense... 400ISO film is more commonly sold as a consumer colour print film than other speeds for 35mm cameras. It is NOT the most common ISO speed used by people shooting tranparency film or by professional photographers. Its advantages: versatile...usable under a wide variety of lighting conditions; extends the effective reange of flash units; nice, contrasty colour pictures; its is very forgiving of exposure errors; it is fast enough to freeze most action and reduce the effects of camera shake. Faster speeds start to lose out on grainyness and contrast and saturation compared with 400ISO. Its disadvantages: slower speeds are more saturated, produce less grainy pictures (and therefore bigger enlargements), allow slow shutter effects such as creamy water in waterfalls to be created more easily. Specialised emulsions for portraits, baby pictures, landscapes etc tend to be slower.
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Andrew Laverghetta |
sounds like you're working on a test here...seems like you're getting your questions answered but if it's for an exam or questionairre type thing...
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