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Optical device including a camera, a diaphragm and illumination means for increasing the predetermined depth of field of the camera
Optical device including a camera, a diaphragm and illumination means for increasing the predetermined depth of field of the camera
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机译:光学装置,包括照相机,光圈和用于增加照相机的预定景深的照明装置
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摘要
An optical device (1) including a fixed focus camera having a predetermined depth of field with an optical axis (55), wherein the optical device (1) comprises a diaphragm (5) positioned in the optical axis (55) of the camera and comprising a light passing aperture (53) for increasing the predetermined depth of field of said camera to provide an increased depth of field, wherein the diaphragm is attached to the camera, wherein the light passing aperture (53) of the diaphragm (5) is circular shaped within an opaque screen and positioned to have its centre point coincide with the optical axis (55) of the camera and wherein the optical device (1) further comprises illumination means evenly positioned around the optical axis (55) for evenly illuminating an object positioned within the increased depth of field of the camera.
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