> Once floating element IF designs started it was possible for the > first time to have ideal performance at any distance. Most, if not > all the Pentax dedicated macro lenses are not IF designs > however....
I wonder if the "FREE" focusing system used on the A 100/2.8 Macro and the A* 200/4 Macro serve the same purpose as do floating elements. (???) Both are very sharp at macro range, but both are also quite sharp at infinity, in my experience. Fred
