System for optical coherence tomography comprising - an interferometer comprising a beam splitter and a reflector, wherein light injected into the interferometer is split by the beam splitter into a partial ray which runs in the direction of the reflector and into a partial ray which runs in the direction of the sample, the partial rays are reflected by, respectively, the reflector and the sample and the reflected partial rays superimpose with each other in the beam splitter thus forming a light beam, - a detector comprising a first number of detector elements for the detection of light, and - an optical waveguide comprising a second number of individual fibres for the transmission of the light of the light beam from the interferometer to the detector which captures light exiting the optical waveguide, characterized in that - the detector elements have a first pitch and the individual fibres have a second pitch, wherein the first pitch of the detector elements is greater than the second pitch of the individual fibres: d1 > d2, - the interferometer comprises an output objective provided between the beam splitter and the optical waveguide and a sample objective provided between the beam splitter and the sample, wherein the sample is enlargedly imaged on an entrance plane of the optical waveguide by the sample objective and the output objective, wherein the enlargement is characterized by a first enlargement factor, - a detector objective is provided between the optical waveguide and the detector, said detector objective enlargedly imaging an exit plane of the optical waveguide on the detector, wherein the enlargement is characterized by a second enlargement factor, wherein the detector objective is telecentric, and - the first enlargement factor is greater than the second enlargement factor: M1 > M2, wherein a convergent light beam emitted by the interferometer has an aperture angle (α) and enters into the optical waveguide in an angle of incidence (ß) against the normal of the entrance plane, wherein the individual fibres of the optical waveguide have an aperture angle (γ) within which the individual fibres can capture light, and the sum of the aperture angle (α) of the light beam and the angle of incidence (ß) of the light beam is smaller than the aperture angle (γ) of the individual fibres of the optical waveguide: α + ß < γ. - an interferometer comprising a beam splitter and a reflector, wherein light injected into the interferometer is split by the beam splitter into a partial ray which runs in the direction of the reflector and into a partial ray which runs in the direction of the sample, the partial rays are reflected by, respectively, the reflector and the sample and the reflected partial rays superimpose with each other in the beam splitter thus forming a light beam, - a detector comprising a first number of detector elements for the detection of light, and - an optical waveguide comprising a second number of individual fibres for the transmission of the light of the light beam from the interferometer to the detector which captures light exiting the optical waveguide, - the detector elements have a first pitch and the individual fibres have a second pitch, wherein the first pitch of the detector elements is greater than the second pitch of the individual fibres: d1 > d2, - the interferometer comprises an output objective provided between the beam splitter and the optical waveguide and a sample objective provided between the beam splitter and the sample, wherein the sample is enlargedly imaged on an entrance plane of the optical waveguide by the sample objective and the output objective, wherein the enlargement is characterized by a first enlargement factor, - a detector objective is provided between the optical waveguide and the detector, said detector objective enlargedly imaging an exit plane of the optical waveguide on the detector, wherein the enlargement is characterized by a second enlargement factor, wherein the detector objective is telecentric, and - the first enlargement factor is greater than the second enlargement factor: M1 > M2, wherein a convergent light beam emitted by the interferometer has an aperture angle (α) and enters into the optical waveguide in an angle of incidence (ß) against the normal of the entrance plane, wherein the individual fibres of the optical waveguide have an aperture angle (γ) within which the individual fibres can capture light, and the sum of the aperture angle (α) of the light beam and the angle of incidence (ß) of the light beam is smaller than the aperture angle (γ) of the individual fibres of the optical waveguide: α + ß < γ.