CPC G02B 7/02 (2013.01) [G02B 5/20 (2013.01); G02B 13/0015 (2013.01)] | 16 Claims |
1. A camera module comprising:
a filter;
a supporting base comprising a first through hole, a first surface, and a second surface facing away from the first surface, wherein a receiving groove is recessed from the second surface toward the first surface, an inner wall defining the receiving groove comprises a bottom surface facing away from the first surface, the first through hole penetrates the first surface and the bottom surface to communicates with the receiving groove;
a metal sheet received in the receiving groove, wherein the metal sheet comprises a second through hole, a central axis of the second through hole is collinear with a central axis of the first through hole, the metal sheet further comprises a supporting platform exposed from the first through hole, the filter is mounted on the supporting platform and received in the first through hole; and
a fixing member arranged on the supporting base to fix the metal sheet to the supporting base;
wherein a first air escaping hole penetrates the first surface and the bottom surface of the supporting base, a second air escaping hole corresponding to the first air escaping hole is formed in the metal sheet.
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