Arrangement in connection with a lighting fixture, and a lighting fixture

The arrangement in connection with a lighting fixture, and a lighting fixture, the arrangement comprising a first light source which is arranged in connection with the lighting fixture structure (2, 3). The arrangement further comprises one or more second light sources and an optic guide (1), which comprises a first end, a second end and a guide portion between them; is arranged to transmit light over the guide portion between the first end and the second end; and is arranged in connection with a lighting fixture to provide dimmer lighting compared with the lighting provided with the first source, whereby one or more second light sources is/are arranged in connection with one end or both ends of the optic guide (1) and to function as the light source of the optic guide (1).