| 摘要 |
PURPOSE:To facilitate operation and to prevent a selection miss by fitting a movable lens barrel which has a telephoto lens which provides large telephoto effect above a side part of a telephoto camera body, and switching optical paths associatively with the rotation of the movable lens barrel. CONSTITUTION:When telephotography with extremely large telephoto effect is carried out, the movable lens barrel 6 is pulled and raised. Consequently, the rotation of a crown gear 14 is transmitted to a gear 17 through gears 15 and 16. Consequently, a mirror 11 is rotated from the position shown by an alternate long and two short dashes line to a position shown by a solid line to form an optical path of ultra-telephotography. When telephotography with relatively large telephoto effect is performed, the movable lens barrel 6 is rotated to a position matching with the camera body. Consequently, the mirror 11 is rotated from the solid line to the alternate long and two short dashes line to form an optical path including a telephoto lens 10 with relatively large effect. Therefore, the operation is facilitated and a selection miss is prevented.
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