CPC G02B 17/0657 (2013.01) [B60R 11/04 (2013.01); G02B 7/182 (2013.01); G03B 35/08 (2013.01); B60R 2011/0026 (2013.01)] | 24 Claims |
1. An apparatus comprising:
a first reflection optical system comprising a plurality of reflecting surfaces which reflects a light; and
a frame,
wherein a part of the plurality of reflecting surfaces is a reflecting surface provided on the frame,
wherein, among the plurality of reflecting surfaces, a final-stage reflecting surface configured to reflect the light toward a first final focusing surface is a first reflecting surface formed on a surface of a first member, and
wherein a change of light receiving position of the light at a predetermined position in a case where a position and orientation of the first reflecting surface with respect to the frame is changed is greater than a change of light receiving position of the light at the predetermined position in a case where a position and orientation of the reflecting surface provided on the frame with respect to the frame is changed.
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