When Owen Brazell came to talk to us last year he mentioned that he, with Maurice Gavin would be testing a variety of filters. The results can now be seen on Maurice's web page. Note that they were unable to obtain the new Lumicon filters so they are not included in the results.
http://home.freeuk.com/m.gavin/grism2.htm
[ This Message was edited by: Whitters on 2004-03-20 17:03 ]