1. A lens and colour filter assembly ( 100 ) comprising at least three lens units ( 110 ) and at least three colour filter units ( 120 ), each colour filter unit ( 120 ) being assigned to one of the at least three lens units ( 110 ) and comprising a plurality of colour filter sections ( 125 ), wherein the colour filter sections ( 125 ) have at least three different filter colours and each colour filter unit ( 120 ) is single-coloured.