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fujifilm s200 question about shutter speed and aperture?
i wanted to take a picture with of a river with a long shutter speed so the water looked like mist (like you see in the magazines) i set the shutter speed to about 5 seconds, but obviously when i had the aperture on automatic there was too much light getting in and the picture was just white, so i tried to lower the aperture, i put it to f11 (someone please explain what the f is and whether i need aa high or low number) but anyway i did All i could, and it was still really bright, so how can i use aa slow shutter speed but make sure the picture isn't really bright when its in normal daylight ? thanks
1 Answer
- deep blue2Lv 710 years agoFavorite Answer
You need an understanding of exposure.
You were right to try to make the aperture smaller (larger f number) but even at f11 in bright conditions there will be far too much light getting in.
Consider that in sunny conditions at ISO 100, your shutter speed at f16 is going to be 1/125 sec.
To get a 5 second exposure that's over 9 stops more light!! So at f16 you need to reduce the light by 9 stops.
You have 2 options;
- wait til the light fades (so take it at dusk)
- buy neutral density filters - they reduce the amount of light entering the lens and come in different strengths
