After the meeting we were trying to figure out the mult factor of a spotting scope and t mount adapter well its to much math for me http://en.wikipedia.org/wiki/Focal_length http://en.wikipedia.org/wiki/Angle_of_view ====== Corpus Christ Camera Club mailing list. Admin: terry@xxxxxxxxxxx Visit our website: http://corpuschristicameraclub.com/ Visit our Flickr group: http://www.flickr.com/groups/cccctx/ Mailing List FAQ: //www.freelists.org/wiki/the_faq