| 1 Set the ISO of the camera to 100 and take some photographs of a subject with an even toned surface - clear skys are fine for this. |
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| 2 Shoot the same scene with the ISO at 200 |
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| 3 Shoot the same scene with the ISO at 400 |
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| 4 Shoot the same scene with the ISO at 800 |
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| 5 Shoot the same scene with the ISO at 1600 |
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| 6. Shoot the same scene with the ISO at 3200 |
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| 7 Load the images into the computer - and compare the results - look at the noise level in each image.Enlarge a section of the image to get a close up of a section - Where does this become unacceptable? |
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