Camera lens with low structural length
The invention relates to a camera lens with a low structural length. The camera lens sequentially comprises a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power and an imaging surface from an object side to the imaging surface, the f...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a camera lens with a low structural length. The camera lens sequentially comprises a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power and an imaging surface from an object side to the imaging surface, the first lens sequentially comprises a first surface and a second surface from the object side to the image side, the second lens sequentially comprises a third surface and a fourth surface from the object side to the image side, the third lens sequentially comprises a fifth surface and a sixth surface from the object side to the image side, the camera lens with the low structural length meets the following conditions: D/TTL is more than 1.00 and less than 1.25; |F1|/|F| is more than 0.85 and less than 0.95; |F2|/|F| is more than 3.85 and less than 4.15; and |F3|/|F| is more than 21.50 and less than 27.50. D is the maximum imaging circle diameter on the imaging surface; TTL is the distance from the central point of the |
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