This MS Excel spreadsheet allows you to store and calculate the vital
statistics of your telescope and eyepieces. For the telescope it includes
calculations for maximum resolution, maximum field of view and maximum magnification.
For each eyepiece it calculates true field of view and magnification. Also
allows for up to two different barlows. Requires MS Excel 97 or later. If
you do not have Excel, but want to use the Scope Calculator, you can download an Excel
Viewer from Microsoft's web site. It moves around, but try Download Center at
here to download