A laser surgery system, comprising: a laser source to produce a plurality of laser beam pulses; a measurement system for measuring a cornea of an eye; an optical delivery system coupled to the laser source and the measurement system to output the laser beam pulses at a predetermined adjustable incident angle, the optical delivery system comprising: a first rotator assembly receiving the beam from the laser source along a first beam axis, wherein the first rotator assembly rotates around the first beam axis and the first rotator assembly outputs the beam along a second beam axis different from the first beam axis; and a second rotator assembly receiving the beam from the first rotator assembly along the second beam axis, wherein the second rotator assembly rotates around the second beam axis, wherein the second rotator assembly follows the rotation of the first rotator assembly and the rotation of the first rotator assembly is independent of the rotation of the second rotator assembly. a processor coupled to the laser source, measurement system and optical delivery system, the processor configured to: determine an axis of the cornea by the measurement system; determine a rotation of the first rotator assembly and the second rotator assembly to align the incident angle of the output beam with the axis of the cornea; and rotate the first rotator assembly and the second rotator assembly by the determined rotation. a laser source to produce a plurality of laser beam pulses; a measurement system for measuring a cornea of an eye; an optical delivery system coupled to the laser source and the measurement system to output the laser beam pulses at a predetermined adjustable incident angle, the optical delivery system comprising: a first rotator assembly receiving the beam from the laser source along a first beam axis, wherein the first rotator assembly rotates around the first beam axis and the first rotator assembly outputs the beam along a second beam axis different from the first beam axis; and a second rotator assembly receiving the beam from the first rotator assembly along the second beam axis, wherein the second rotator assembly rotates around the second beam axis, wherein the second rotator assembly follows the rotation of the first rotator assembly and the rotation of the first rotator assembly is independent of the rotation of the second rotator assembly. a processor coupled to the laser source, measurement system and optical delivery system, the processor configured to: determine an axis of the cornea by the measurement system; determine a rotation of the first rotator assembly and the second rotator assembly to align the incident angle of the output beam with the axis of the cornea; and rotate the first rotator assembly and the second rotator assembly by the determined rotation. a first rotator assembly receiving the beam from the laser source along a first beam axis, wherein the first rotator assembly rotates around the first beam axis and the first rotator assembly outputs the beam along a second beam axis different from the first beam axis; and a second rotator assembly receiving the beam from the first rotator assembly along the second beam axis, wherein the second rotator assembly rotates around the second beam axis, wherein the second rotator assembly follows the rotation of the first rotator assembly and the rotation of the first rotator assembly is independent of the rotation of the second rotator assembly. a processor coupled to the laser source, measurement system and optical delivery system, the processor configured to: determine an axis of the cornea by the measurement system; determine a rotation of the first rotator assembly and the second rotator assembly to align the incident angle of the output beam with the axis of the cornea; and rotate the first rotator assembly and the second rotator assembly by the determined rotation. determine an axis of the cornea by the measurement system; determine a rotation of the first rotator assembly and the second rotator assembly to align the incident angle of the output beam with the axis of the cornea; and rotate the first rotator assembly and the second rotator assembly by the determined rotation.