Screen-Magnifyer (lense) for linux

hi group-members, from Halim Sahin <halim.sahin@mni.fh-giessen.de> came a notice, that a "lens" to magnify the screen under KDE exists. But he could'nt give me details. Who knows something over that program, and how to get? Thanks! Heinz Brendlin D-35410 Hungen