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03/22/2007 09:51:44 AM · #1 |
| I tried playing with the shutter speed on my Fujifilm. I'd like to set a tripod up on the roof of a building in the middle of the city looking down on the traffic going by and getting a blurred effect with traffic, but the buildings, obviously, still. What would the biggest difference be between say 2 seconds and 10 seconds? This is a tough question to really explain but, basically, is there a guide (Other than trial and error) to know how much time to allow for shutter speed in order to get certain effects? |
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03/22/2007 09:55:48 AM · #2 |
The speed you use for a good exposure will depend on how much ambient light is available when you shoot. If it is bright then you cannot leave your shutter open that long without blowing out the highlights. If it is dark out, then you can obviously leave it open much longer. ISO and aperture will also have an impact on the final outcome. Trial and error in the shooting conditions will get you the exposure you want.
Message edited by author 2007-03-22 09:57:56. |
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03/22/2007 09:56:18 AM · #3 |
You are basically going to have to use trial and error. Your shutter speed will be longer with a smaller f/stop, essentially both will work in conjunction with each other to acheive the look you are going for. Having a smaller f/stop will also gain you sharp DOF throughout the frame. Hope this makes sense and helps.
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03/22/2007 10:01:25 AM · #4 |
| The speed needed to blur the cars depends on how far away they are and what focal length you are using. Basically it's just trial and error. It is possible if you distance, focal length and average speed of the to mathematically determine how far they would move in a certain time. |
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03/22/2007 10:35:42 AM · #5 |
OK...trial and error it is.
I think, if I find the right building, there will be little light around me and my camera. However, looking down at traffic there will be plenty of lights. I hope to be at least 200 meters away from my shot. |
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03/22/2007 10:59:15 AM · #6 |
If you want to achieve blurred motion and you can't get a slow enough shutter speed, you can always resort to neutral density filters to cut the light.
If you do try something like this during the day, when few vehicles have lights, you can have nothing but the non-moving objects recorded in your image since anything moving will not be still long enough to be captured. |
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