Wide-angle lens
The invention provides a wide-angle lens successively comprising, from an object side to an image side, a first lens having negative power, a second lens having positive power and an image plane. The wide-angle lens satisfies conditional expressions: 5 < TTL/f
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention provides a wide-angle lens successively comprising, from an object side to an image side, a first lens having negative power, a second lens having positive power and an image plane. The wide-angle lens satisfies conditional expressions: 5 < TTL/f |
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