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Old Oct 21, 2002, 8:48 AM   #1
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Default How to - take a picture of flowing water

I have a Canon A40 and I am trying to take pictures of flowing water and give it a blurred effect. I was told I just need to keep the shutter open a little longer but when I do that the entire picture is too bright and is washed out. I was setting the shutter speed to 1 second, sometimes less. Does anyone know how to do this with an A40 or similar camera?
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Old Oct 21, 2002, 8:53 AM   #2
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You need a ND (neutral density) filter -- they let you keep the shutter open longer in bright light (like sunglasses for your camera). They come in different darknesses (?) - you can find a set +1,+2,+4.
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Old Oct 21, 2002, 9:01 AM   #3
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thanks! I'll pick it up.
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Old Oct 21, 2002, 12:42 PM   #4
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I'm not an A40 user, but first you can set the film speed to its lowest - 50 ASA, then in manual mode fix your shutter speed to 1 sec and see what you get at the minimum f stop. If the pics are still over exposed, or you are looking for less depth of field, then whittonj's right - you need the ND filter.
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Old Oct 21, 2002, 1:17 PM   #5
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thanks. I appreciate the suggestion. I'll give it a try first.
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Old Oct 21, 2002, 2:20 PM   #6
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You could wait for twilight or get up early for dawn. Probably worth trying before spending money on a filter in case a long exposure does't work. Lowering the light level to use a longer shutter speed will do what you want for the texture of the water, but there might be more noise than you are willing to put up with.

You will also have to find a way to hold the camera steady during the long exposure. The "normal" way to do that is with a tripod and cable release. If you don't have that, you can set your camera into a pillow/bean-bag/... on a rock/fender/stump/... and use the self-timer to trip the shutter.
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Old Oct 21, 2002, 2:42 PM   #7
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Do not buy any extra accessories..
Just do this:
Go Manual-mode and set F to 8.0 (WB/Display) then set shutter speed >1 sec.
When the F is 8.0 or bigger you won't get too bright photos.
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Old Oct 21, 2002, 7:06 PM   #8
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How about putting your sun glasses on top of your lens ? 8)
( you can correct color with post processing ...)

Of course, this is a non pro advice :P I don't even know if it works :roll:
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Old Oct 21, 2002, 11:24 PM   #9
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I have this one, 1/6 sec, in the evening , on monopod, so a lil movement blur ...

http://www.pbase.com/image/5177219
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Old Oct 22, 2002, 12:15 AM   #10
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Put the camera in shutter priority mode, set the required shutter speed and let the camera decide on the smallest aperature for the correct exposure.
If the camera warns of the overexposure, bring down the exposure compensation by a stop or two.
You might have to experiment with it to reach at the correct compensation.
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