Criteria On Selecting Film
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Usually the slowest emulsion type of film
is the safe bet to be used for most photo-shooting. However, if
situation allow the usage of tripod, such as taking photos of still
life and landscape, then any film can be use regardless of the ISO
rating. Of course, you will have to make sure that the ISO rating is
sufficient depending on the light available on the environment, that
you have enough shutter speed and aperture combination.
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For example, taking indoor photos would
require fast ISO setting, as slow film would not be able to capture the
movement in low light situation. It will either go blur or distorted.
If we can't control the lighting conditions, and if shuttle speed and
lens aperture is to the limitation, then the only thing left to control
is the ISO rating of the film. If you are taking photos of actions and
movement indoor, then slow films is definitely out as it will not
deliver any sharp, action freezing images. Typically, you will need
films that is rated at least ISO400 and above even when you are using
fast telephoto lenses with large aperture such as f2.8. And in most
cases, even with ISO1600, the shutter speed of 1/125 second is just
barely enough for a proper exposure. In this case, you will need a
monopod to help stabilize the camera, which helps to provide sharper
images when it is used correctly.
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Of course there is also situation when
you purposely want to use slow film to have some movement effect. Or
there are times when you would try to add more grain into the photos to
provide some special effect. So it is still base on what you want, why
are you taking this picture and how do you want to picture to appear in
the end.
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