| 摘要 |
To easily combine a lens holding barrel with a mobile barrel, or separate the lens holding barrel from the mobile barrel, and to protect the lens holding barrel in an assembling process, a lens barrel and an optical device including the same are provided. The lens barrel includes: a first barrel including: a first cylinder that includes a lens and is cylindrical, and a first flange formed around an outer surface of the first cylinder; and a second barrel including: a second cylinder that is cylindrical and aligned with respect to the first cylinder, a second flange that is formed on an inner surface of the second cylinder and supports one surface of the first flange, and a plurality of supports that protrude from the inner surface of the second cylinder in a direction parallel to a surface of the second flange and support another surface of the first flange.
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