Comparison between the half-mass radius and the half-light radius R_e in nine different optical–NIR broadband filters. Thick red contours correspond to measurements of R_e from the dust-obscured images, slightly thinner blue contours to measurements from dust-free images. The contour correspond to the 10, 40, 70 and 90% percentile levels. The dashed lines represent a one-to-one relationship between and R_e.