OPTICAL LENS
Provided is an optical lens. The optical lens is provided with a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), a fifth lens (5), a sixth lens (6) and a seventh lens (7), which are sequentially arranged from an object side to an image side along an optical axis. The first le...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | Provided is an optical lens. The optical lens is provided with a first lens (1), a second lens (2), a third lens (3), a fourth lens (4), a fifth lens (5), a sixth lens (6) and a seventh lens (7), which are sequentially arranged from an object side to an image side along an optical axis. The first lens (1) is a spherical lens having a negative focal power, the second lens (2) is an aspheric lens having a meniscus shape bent towards an image surface, the third lens (3) is an aspheric lens having a meniscus shape bent towards an object surface, the fourth lens (4) is an aspheric lens having a positive focal power, the fifth lens (5) is an aspheric lens having a positive focal power, the sixth lens (6) is an aspheric lens having a negative focal power, and the seventh lens (7) is an aspheric lens having a positive focal power. |
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