A mirror system for a projection apparatus , wherein the projection apparatus comprises a light source and an aperture , wherein the mirror system comprises: a support surface ; and a plurality of mirrors arranged on the support surface ; wherein each of the plurality of mirrors is arranged tiltable between a first and a second tilting position, wherein the first and the second tilting position are discrete positions; wherein each mirror in the first tilting position is arranged to reflect a light beam that is emitted from the light source onto the aperture ; wherein each mirror in the second tilting position is arranged to reflect the light beam that is emitted from the light source away from the aperture ; wherein a tilting axis (T) of each of the plurality of mirrors passes through or lies below the center of gravity (C) of the mirror ; and wherein the first and the second tilting position of each of the plurality of mirrors are asymmetrical to each other; wherein two stopper structures (17-1, 17-2) are arranged on the support surface below each mirror of the plurality of mirrors , wherein a mirror in the first tilting position is in physical contact with one of the two stopper structures (17-1, 17-2), and wherein the mirror in the second tilting position is in physical contact with the other one of the two stopper structures (17-1, 17-2), wherein the two stopper structures (17-1, 17-2) below each mirror of the plurality of mirrors have a different height and/or are arranged at a different distance from the tilting axis of the mirror ; and characterized in that at least one recess is arranged in the support surface below each of the plurality of mirrors , wherein an edge of each mirror of the plurality of mirrors in the first and/or the second tilting position at least partially sinks into the recess below the mirror . a support surface ; and a plurality of mirrors arranged on the support surface ; wherein each of the plurality of mirrors is arranged tiltable between a first and a second tilting position, wherein the first and the second tilting position are discrete positions; wherein each mirror in the first tilting position is arranged to reflect a light beam that is emitted from the light source onto the aperture ; wherein each mirror in the second tilting position is arranged to reflect the light beam that is emitted from the light source away from the aperture ; wherein a tilting axis (T) of each of the plurality of mirrors passes through or lies below the center of gravity (C) of the mirror ; and wherein the first and the second tilting position of each of the plurality of mirrors are asymmetrical to each other; wherein two stopper structures (17-1, 17-2) are arranged on the support surface below each mirror of the plurality of mirrors , wherein a mirror in the first tilting position is in physical contact with one of the two stopper structures (17-1, 17-2), and wherein the mirror in the second tilting position is in physical contact with the other one of the two stopper structures (17-1, 17-2), wherein the two stopper structures (17-1, 17-2) below each mirror of the plurality of mirrors have a different height and/or are arranged at a different distance from the tilting axis of the mirror ; and characterized in that at least one recess is arranged in the support surface below each of the plurality of mirrors , wherein an edge of each mirror of the plurality of mirrors in the first and/or the second tilting position at least partially sinks into the recess below the mirror . <EOS>