Wide angle lens, imaging optical device and digital equipment
A wide angle lens, which forms an image on an image pickup device having a curved imaging surface, has a whole angle of view of 120° or more and comprises a first lens, a second lens and a third lens in this order from an object side. The first lens is a meniscus lens having a convex surface facing...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A wide angle lens, which forms an image on an image pickup device having a curved imaging surface, has a whole angle of view of 120° or more and comprises a first lens, a second lens and a third lens in this order from an object side. The first lens is a meniscus lens having a convex surface facing the object side, the second lens has a positive power and the third lens has a concave surface facing an image side. The first, the second and the third lenses respectively have at least one aspherical surface. |
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