| 摘要 |
A viewfinder of an image-capturing apparatus is provided. The image-capturing apparatus includes a first focusing device having an adjustable focal length. The viewfinder includes a second focusing device and an image-field selecting member. The second focusing device has a fixed focal length for focusing an image to be captured on an observer's eye, and the image-field selecting member is disposed downstream of the second focusing device for adjusting an area of the image viewed by the observer's eye according to a focal-length change of the first focusing device.
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