| 摘要 |
A lens device equipped with a G1 lens that transmits light in a direction of an optical axis and a fixed diaphragm that passes the light that has been passed through the G1 lens through an aperture open through in the direction of the optical axis toward a direction opposite to the G1 lens. A washer is provided between the G1 lens and the fixed diaphragm so as to face the G1 lens at a portion corresponding to a portion outside the aperture of the fixed diaphragm. The G1 lens is bonded to a rib of which position is fixed to the optical axis with an adhesive.
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