CPC G02B 7/02 (2013.01) [H04M 1/026 (2013.01); H05F 3/00 (2013.01); G01B 11/254 (2013.01)] | 20 Claims |
1. A lens comprising:
a lens tube comprising:
a top surface;
a tube wall;
an inner surface; and
an outer surface;
an optical element mounted in the lens tube and comprising a first surface that faces the same direction as the top surface;
a conductive layer disposed on the first surface;
an antistatic structure disposed on the top surface; and
an electrostatic conducting wire disposed inside the tube wall, on the inner surface, or on the outer surface, wherein the electrostatic conducting wire comprises:
a first end electrically coupled to the antistatic structure; and
a second end that is grounded.
|