| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a telescope capable of viewing a central part (attention part) of a visual field of the telescope and a peripheral edge part (part separated from the attention part) in the same visual field at the same time, and in addition, capable of viewing an object in a state that a scale factor on the central part is higher than that on the peripheral edge part.SOLUTION: Provided is a monocle having an object glass whose curvature becomes larger as separating from an optic axis, and an image formation lens for imaging the light passed the object glass on a predetermined plane.</p> |
