| 摘要 |
A lens barrel comprises a first barrel, a second barrel having an inner face facing to an outer face of a first barrel, and a circuit board supported by said second barrel, said circuit board provided between the first barrel and the second barrel. The circuit board comprises a first circuit board and a second circuit board, said first circuit board is provided as substantially parallel with an optical axis of said optical system, said first circuit board and said second circuit board are provided at a crossing direction.
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