ND Filters

Started Jan 23, 2013 | Discussions thread
Sailor Blue
Sailor Blue Forum Pro • Posts: 13,763
Re: ND Filters

The information that ND filters can color shifts should be sufficient to make you want to take a photo of a white balance card at a minimum, and better yet take a photo of a color checker target such as the X-Rite ColorChecker passport to allow you to correct the colors of your image.

If you have a tripod but not a ND filter there is a pretty good work around.  Set the camera to the aperture you want to use for depth of field then take enough images to add up to the longer shutter speed you want.  Now go into Photoshop and stack the images.  Things like moving watter will smooth out much the same as they would have with a longer exposure.

The resulting image won't be exactly the same as from a single long exposure but very similar.  One advantage is that you won't have the noise you can get from a long exposure, in fact the noise will be reduced by roughly the square root of the number of images over that for any one of your individual exposures.

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