Optical inspection device for potted plants, has deflection mirrors in optical path between plant and video camera to set distance between plant and video camera smaller than one third of length of optical path

摘要

Deflection mirrors or prisms are arranged in optical path between plant to be inspected, and the video camera (14) having optical system of focal length of about 50 mm, so that distance between the plant and video camera is set to be smaller than one third of length of optical path.