eyeglass loupe Subgroups single nameversionmagnificationthicknessitem No.eyeglass loupeflat3.0x3 1/2510490eyeglass loupeflat4.0x2 1/2510491 double nameversionmagnificationthicknessitem No.eyeglass loupedouble10.x3 1/2 + 1 1/2510495eyeglass loupedouble12.0x2 + 1 1/2510496