Shutter unit, imaging apparatus provided with shutter unit

An imaging apparatus comprising:

• a shutter for controlling object light incident to an image sensor for capturing an optical image of an object to generate image data;
• a holding frame holding the shutter;
• an annular elastic member for absorbing impact generated when the shutter is driven;
• a first fastening member engaging with an inner circumferential surface of the annular elastic member;
• a first body-side support provided to a body of the imaging apparatus;
• and
• a first holding-frame-side support provided to the holding frame,
• wherein on either of the first body-side support and the first holding-frame-side support, a through hole is formed, into which the annular elastic member is press-fitted,
• a length of an inner circumference of the through hole is greater than a length of an outer circumference of the annular elastic member when the through hole is seen from a direction to which the first fastening member is fastened, and
• another of the first body-side support and the first holding-frame-side support is fastened with the first fastening member.