In article <4c304k$j4h@mars.hyperk.com>, glh@srv.net says...
>(1) The 'practical' approach - go out and take some pictures of the >type of subjects that you intend to use the lens for (.......)
>(2) The 'scientific' approach - obtain some type of lens testing chart > (.......)
>(3) The 'expert' approach - find a test report on the lens (.......)
>This sounds more like a sermon than real advice, but in fact any kind >of testing is of limited value except for weeding out really bad >lenses. (.......) I still do all three of the approaches on
>occasion, but I don't kid myself anymore that there is any universal >truth in them. (Sorry for all the words--must be some religion hiding >in here somewhere.)
Gee, and I have been slaving away on an article on lens checking, and
my vast tome so far says about what you (as usual) said so succinctly.
I haven't gotten to the nitty-gritty of the how-to's yet - the %#%*
religion part took up too much time!
Hope this helps....;-)