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ISO


 Within the photography world, the term ISO refers to the sensitivity to light on the camera sensor. when a camera is using actual film the iso is dependent on the sensitivity of the specific film to light, when your ISO is placed relatively high (about ISO 800), the image will have brighter exposure whereas a low iso will give an underexposed image. however, adjusting the ISO to artificially brighten up an image will affect the image quality, the image will end up having more noise if the ISO is higher. this is not a flaw in some sense as it can be used creatively in certain aspects, for example within horror movies, an addition of grain will allow the film to look tenser and scarier for the audience. this noise can create a handheld look for the camera.


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