... range:4,20,100,500μm; Ra range:0.2,1,10,50μm; Indication error≤±5%; Smallest resolution ... off length :0.25,0.8;2.5mm Assessment length: N×cut-off, N=1,2,3,4,5 Filter type:ISO ... 2000,5000,10000,20000,50000,100000,200000; Horizontal magnification: 2,5,10,20,30,40,50,100,200,500,1000 ... Pick-up stylus:diamond-90° angle with spherical tip 2μm radius; Vertical column adjustment for traverse unit::manual ...