Posted by Roger Wang on March 20, 2001 at 02:47:01:
In Reply to: Re: Schneider Convertible Lenses posted by Les on November 30, 2000 at 20:03:44:hello~~
i am a studient who study in New Zealand~
the teacher give us a research assignment
about telescope theory~
the first thing i need to research is
" the nature of the 6 type of aberation when a single lens produces
images"
but i coulden't find anything on that for few weeks~~
can you please give a direction to search for ??
please``~~~~
thank u for all that~~
Roger Wang