| 摘要 |
<p>PURPOSE:To prevent the entering of dust, etc., from the vicinity of a correcting optical system by providing a shield member in, at least, a holding member or a lens barrel member. CONSTITUTION:The vibration proof device is provided with the correcting optical system L3 moving, at least, a part of a photographic optical system to correct blurring, the holding member 13 holding the correcting optical system L3, a blurring correcting mechanism 4 driving the optical system L3 to correct the blurring and the lens barrel member 6 holding the blurring correcting mechanism part 4. The shield member 6f-1 is provided in, at least, the holding member 13 or the lens barrel member 6 and in the direction along an optical axis so as to cover the space part of the fixed lens barrel 6 between the blurring correcting optical system L3 and a diaphragm part 12. Moreover, the shield member 6f-1 is formed to cover the space part even after the correcting optical system L3 is moved in the direction perpendicular to the optical axis to correct the blurring. The gap between the shield member 6f-1 and a blurring correcting lens group holding frame 13 is set to the necessary and irreducible minimum. Therefore, the shield member 6f-1 can prevent the dust, etc., from entering.</p> |
