 Brian A. Wolter |
Slow Motion Water Effect I have a Kodak Easyshare DX7630 6.1 megapixel digital camera. I have been trying to take pictures to get the slow motion water effect. I go to my manual settings and set my f-stop to 8, which is the highest setting and my ISO to 100. I used my polarized sunglasses as a filter over the camera lense and for some reason I am getting pictures that are all white. I have the shutter speed set to 1 second. I know that too much light is getting in, but can't figure out what I need to change to get a good photo. Any help would be appreciated.
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Mike Carpenter |
Try using your TV setting and let the camera set everything else. You don't always need 1 full second either for that effect. I'm suprised that f8 is the smallest you can get on that camera.
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Jon Close |
f/8 is typically the smallest aperture on digital point & shoot cameras. Because of the small size of the sensor and lens, apertures smaller than f/8 give too much diffraction. The short focal length of theses lenses (the DX-7360's is just an 8mm-24mm zoom) also have so much inherent depth of field that smaller apertures are not necessary. At the lowest ISO (100) and smallest aperture (f/8), if you are in the sunny outdoors the proper exposure is going to be given by a shutter speed of between 1/100 and 1/400. If the sunglasses cut 2 stops of light like a typical polarizer, that would still be a shutter speed of 1/25 - 1/100. So setting 1 sec. would be at least +4 stops overexposed. To get what you want you're going to need to use neutral density filters to cut the amount of light entering the lens. You'll need the DX-7360 lens adapter that will allow you to use typical screw-thread filters. Because you are apt to want to stack a couple ND filters on the front, vignetting becomes a concern (the stacked filters act as a "pipe" on the end of the lens, blocking light to the corners of the sensor). Vignetting can be avoided by getting the filters in a larger diameter (say 52mm) and use a 37mm/52mm step-up ring so that they can be attached to the 37mm diameter of the DX-7360's lens adapter.
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Brian A. Wolter |
What do you mean by tv setting??? I am new to photography and I'm trying to learn all the terminology.
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- Bob Cournoyer Contact Bob Cournoyer Bob Cournoyer's Gallery  |
Set you camera to shutter priority (tv) and let the camera set the other stuff automatically. Start around 1/10 sec and work down....Hope this helps Bob
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Brian A. Wolter |
Thanks, Bob, I will give it a try.
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Andres Llopart |
Brian I just took a look at your camera online and the Tv is = to "S" in you camera... So Use the S that stands for shutter priority (tv)and set it for 1 or more seconds... Use a tripod or leave the camera in a steady place...
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