Invention Grant
US07751128B2 Wide-angle lens 有权
广角镜头

Wide-angle lens
Abstract:
A wide-angle lens whose angle of view is more than 90 degrees and less than 120 degrees includes, in order from an object side thereof: a first lens having a negative power and including a spherical glass body; a second lens having a positive power and including an aspheric surface; and a third lens having a positive power and including an aspheric surface.
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