Petr Zavadsky (CZ) , Nov 22, 2001; 03:47 a.m.
No, not at all. This grounding process with accuracy of 1/1500 mm is useless procedure of high-tech freaks at C**/N**/L** and other manufactures and coatings were just developed to pull up some money for new lenses 20years ago from us - poor photographers.
BTW: JPG compression doesn't affect picture quality either, have you seen some ever ? JPG pic's are lookin' pretty well, don't they ?