Is the ExpoDisc useful when shooting in the RAW file format?
Yes. Using the ExpoDisc to set a custom white balance, even when shooting in RAW, can save valuable time in the post-production workflow process. Set the custom white balance just as you would when shooting JPEG. When downloading the RAW files for post production editing, select ‘As Shot’ for the white balance setting. This will utilize the custom white balance set at the time of image capture, and will reduce, or eliminate the need for additional color correction on the image file.