| 摘要 |
A finder optical system includes a finder objective lens provided independent of a photographic objective lens, an image erecting unit for erecting an image formed by the finder objective lens, and an eyepiece. The distance from a surface, closest to an image, of the finder objective lens to a surface, closest to an object, of the eyepiece is changed and at the same time, the focal length of the eyepiece is also changed, thereby converting the state of ordinary photography into the state of panoramic photography. Thus, in the panoramic photography, aberration is favorably maintained and finder magnification is improved.
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