CPC G02B 27/646 (2013.01) [G02B 7/021 (2013.01); G02B 7/022 (2013.01)] | 24 Claims |
1. An aperture module, comprising:
a base;
a rotating plate rotatably disposed on the base; and
blades configured to form an incident hole and move linearly along a radial direction of the rotating plate by rotation of the rotating plate to change a size of the incident hole,
wherein the blades are disposed in an opening disposed inside the rotating plate, and
wherein the blades are spaced apart from the rotating plate in the radial direction by the rotation of the rotating plate.
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