This post at a site called “TheDVShow” sorts out some of the things you need to know when using Zebra Stripes. Basically this your light meter for Camcorders, don’t trust your viewfinder or your video monitor, trust your Zebras. And if you are booking out one of our Sony HDV cameras, check to make sure what your stripes are set to 100 IRE, 70 IRE etc. This makes a big difference because different users may be comfortable with different settings and change them.

Here is the link