http://www.flickr.com/photos/option8/tags/800/
This gentleman does a lot of conversions. You may take a look at his website, which actually gives a run down on what you have to do.
http://www.instantoptions.com/conversions/
Click on one of the 110's and look through the many pages he has there. 110, 800, they couldn't be that different.

HTH