Field of NGC 4815. Top: 2MASS CMD. In green the red clump track corresponding to our results with its 1σ confidence interval, in blue the Marshall et al. (2006) results and in red the Lallement et al. (2019) ones. Middle: extinction, 1σ confidence interval in grey (see Fig. 8). Dotted line: FEDReD result using the isochrone HRD. Black points: Puspitarini et al. (2015) updated with the Gaia DR2 distances, in red for members according to Friel et al. (2014). Bottom: stellar density. The cluster distance (Cantat-Gaudin et al. 2018) is indicated in red.