This is a pretty exhaustive (if semi-ancient) guide from The Digital Bits.
https://www.thedigitalbits.com/site_archive/articles/anamorphic/index.html
JEDIT: The pics no longer work so some of the utility is lost, I guess.
This is a pretty exhaustive (if semi-ancient) guide from The Digital Bits.
https://www.thedigitalbits.com/site_archive/articles/anamorphic/index.html
JEDIT: The pics no longer work so some of the utility is lost, I guess.