Circular cropping values in PTGui

General

Every time you have to fill in the croppng values in PTGui for circular fisheyes you always
have to start from the beginning to approximate where these values are situated.

In the following images you can see an explanation of these values in portrait and landscape
orientation.

The values used are from a Canon 10D and a Sigma 8 mm Lens.

Values

Values for landscape orientation

Values for portrait orientation

How about a table with values for all common camera and lens combinations?

Peter Nyfeler (Pitdavos)