Imaging lens system and imaging device comprising seven lenses of −−++−+− refractive powers
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United States of America
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Jan 25, 2022
Grant Date -
Jul 2, 2020
app pub date -
Jun 28, 2018
filing date -
Jun 28, 2018
priority date (Note) -
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Abstract
A vehicle-mounted wide-angle lens that simultaneously achieves a high resolution necessary for sensing, a size small enough to be mounted on a vehicle, and a low price. An imaging lens includes, sequentially from the object side, a first lens having a negative power and being concave on the image side, a second lens having a negative power and being concave on the image side, a third lens having a positive power and being convex on the object side, an aperture stop, a fourth lens having a positive power and being convex on the image side, a fifth lens, a sixth lens whose object side is bonded to the image side of the fifth lens and a seventh lens having a negative power and being convex on the image side, and the fourth lens is an aspheric glass lens.
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