Observation device and binoculars

摘要

A small-sized observation device and binoculars having a display function. The observation device has an ocular lens and an objective lens and is adapted for observing through the ocular lens an intermediate image of an object formed by the objective lens. The observation device is provided with a display section that is provided either on a light path connecting the ocular lens and the objective lens or on a light path branched off from the light path and displays an image, and has a light path switching section that is provided on the light path connecting the ocular lens and the objective lens and switches methods between a method where the light from the ocular lens is guided to the objective lens and a method where the image displayed on the display section is guided to the ocular lens or to the objective lens.