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Forum: Photographic Technique
01-29-2008, 06:08 AM
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I agree with using a polarizer to limit light but my experience is that you might need a polarizer and at least another ND filter to get good water flow shots in daylight. I've tried to shoot moving water with just one polarizer and it still tends to overexpose a bit (or you don't get a nice smooth water flow look)...
I suppose you could stack polarizers but I haven't tried that. Also, a polarizer can change the hue of your photos some whereas a good quality ND filter will not.
I recommend using a Cokin filter Holder (cause its cheap) but the filters themselves tend to leave color cast. Try using Hi-Tech filters at the very least. I use them and they don't leave any color cast but I've noticed some degradation in IQ (not tack sharp). Singh-Ray and Tiffen will work best but expect to pay over $150 per filter.
Exposure compensation won't do anything for you except under or over expose you image....(or compensate for something else) You have to have something in front of the lens to lower the light coming in, in order to get the effect of slowed water or movement in daylight. One of the things I use EV for is to shoot white birds in direct sun. If you use the camera meter, you will blow out the highlights of a white bird in direct sun. In order to see the feather details, I dial down the EV to whatever I need so the bird's feathers can be seen. You can also do this for black birds except you dial up.
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Forum: Photographic Technique
01-25-2008, 09:28 PM
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I use ND grad filters to shoot sunsets and landscapes. This way I can get the right exposure for the earth while not overexposing the sky and/or keeping the sun from blowing out. They are a good way to keep the foreground of a sunset shot from being 'just' silhouette...some examples...
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