... )Bed horizontal range:≥220mm(±110mm)Pillar lengthwise:≥1500mmPillar rotation:0°,±90°,180°fixedThe focus to the ground distance:(tube lengthwise move):≥700 ... distance:≤60mmFixed grid of filter-ray: Grid clennsity N=40/cm, Grid ratio:10:1,Convergence distance f0100cm "Filter-ray device ... -1650mm fixed grid of filter-ray: Grid clennsity N=40/cm, grid ratio:10:1,Convergence distance f0100cm film size:5 ...