铅栅模体检测分辨率，准直器空间分辨率，区域大小及线性。外框 Widths: 5/64in., .3/32 in.,.4/32in., .9/64in. (2mm, 2.5mm, 3mm, 3.5mm)模体内部空间: 21in.*15-15/16in(53.3*40.5mm)​