CPC G02B 13/0045 (2013.01) [G02B 9/64 (2013.01); G02B 27/0025 (2013.01); G06T 5/002 (2013.01); G09G 3/3406 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0626 (2013.01); G09G 2360/16 (2013.01)] | 19 Claims |
1. An imaging lens for a solid-state image sensor, comprising in order from an object side to an image side of the imaging lens:
a first lens having positive refractive power;
a second lens having positive or negative refractive power;
a third lens having negative refractive power;
a fourth lens that is a double-sided aspheric lens having positive or negative refractive power;
a fifth lens that is a double-sided aspheric lens having positive refractive power;
a sixth lens that is a double-sided aspheric lens having positive or negative refractive power;
a seventh lens that is a double-sided aspheric lens having negative refractive power; and
air gaps disposed between each pair of adjacent lenses,
wherein the imaging lens has a total of seven single lenses, and the fifth lens has a concave surface on the object side near an optical axis.
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