2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219189We analyze the bending of light by galaxies or clusters of galaxies in the presence of the cosmological term. Going over to the Friedmann-Robertson-Walker coordinates, used in fact for the description of actual observations, we demonstrate that the cosmological constant does not influence practically the lensing effect.5 pages, 1 figureGeneral Relativity and Quantum CosmologyAstrophysicstext