OPTICAL SYSTEM AND CAMERA MODULE COMPRISING SAME
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United States of America Patent
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Issued Date -
Oct 19, 2023
app pub date -
Aug 23, 2021
filing date -
Aug 26, 2020
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Abstract
A zoom optical system according to an embodiment of the present invention comprises a first lens group, a second lens group and a third lens group sequentially aligned from an object toward an image, wherein the second lens group and third lens group can move, and an effective focal length (EFL) at a wide angle is defined by the mathematical formula below.
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