Variance of the convergence profiles (left) and fractional error of the Σ-profiles (right) calculated from convergence maps. In grey we show the profiles for the simulated clusters in THE THREE HUNDRED-NIKA2 LPSZ samples. Red, green, blue, and yellow profiles correspond to CL J1226.9+3332, PSZ2 G144.83+25.11, PSZ2 G228.16+75.20, and MACS J1423.8+2404 clusters, respectively, with data from the CLASH convergence maps (Zitrin et al. 2015) and uncertainties computed following Muñoz-Echeverría et al. (2023; sample defined in Muñoz-Echeverría et al. 2022). Solid and dashed lines differentiate the profiles for the CLASH convergence maps reconstructed assuming the Light-Traces-Mass (LTM) and the Pseudo-Isothermal Elliptical Mass Distribution with an elliptical NFW (PIEMD+eNFW) models, respectively. Vertical dotted lines in the right panel indicate the minimum and maximum of the used radial range.