An assembly and method of switching direction of camera view. The method comprises disposing a beam splitter element on a camera, the beam splitter element being configured such that first and second beams of light incident on first and second faces, respectively, of the beam splitter element are directable towards an entry lens of the camera; disposing first and second shutter elements in the paths of the first and second beams of light, respectively; and controlling the first and second shutter elements such that one of the first and second shutter elements is in an open state while the other one is in a closed state, and vice-versa.

An apparatus for inserting a measurement light beam which can be projected onto a target object, comprising a light-refracting component having an optical axis, and at least two mirrors for deflecting the measurement light beam, and an optical overall body consisting of at least one optically effective material, wherein the optical overall body is configured in such a way that the at least two mirrors are fitted inside or at the edge, in particular as a part, of the optical overall body, in such a way that the measurement light beam entering the optical overall body is offset parallel to the incident measurement light beam when emerging from the optical overall body, so that the emerging measurement light beam lies on the optical axis of the light-refracting component of the apparatus and is projected in this form onto the target object.

An apparatus for inserting a measurement light beam which can be projected onto a target object, comprising a light-refracting component having an optical axis, and at least two mirrors for deflecting the measurement light beam, and an optical overall body consisting of at least one optically effective material, wherein the optical overall body is configured in such a way that the at least two mirrors are fitted inside or at the edge, in particular as a part, of the optical overall body, in such a way that the measurement light beam entering the optical overall body is offset parallel to the incident measurement light beam when emerging from the optical overall body, so that the emerging measurement light beam lies on the optical axis of the light-refracting component of the apparatus and is projected in this form onto the target object.

Disclosed is a scanner opto-mechatronics system which is used in light/image-measurement in three-dimensional environments, reduces the light measurement and imaging regions to pre-defined regions and enables the measurement or display of these regions.

The present invention discloses a composite prism based on an isosceles prism and a laser ranging telescope comprising the composite prism. The composite prism disclosed by the present invention comprises a first prism, a second prism, a third prism and a compensating prism. The first prism is an isosceles prism with three reflecting surfaces, the second prism is a roof prism, the third prism is a half-penta prism, and the compensating prism is a wedge prism. Through the composite prism, a telescope observation system, a laser emission system, a laser receiving system and a sighting and display system are reasonably integrated, so that a telescope features diversified performance and structural style, small size and convenient to carry.

The present invention discloses a composite prism based on an isosceles prism and a laser ranging telescope comprising the composite prism. The composite prism disclosed by the present invention comprises a first prism, a second prism, a third prism and a compensating prism. The first prism is an isosceles prism with three reflecting surfaces, the second prism is a roof prism, the third prism is a half-penta prism, and the compensating prism is a wedge prism. Through the composite prism, a telescope observation system, a laser emission system, a laser receiving system and a sighting and display system are reasonably integrated, so that a telescope features diversified performance and structural style, small size and convenient to carry.

An endoscope includes an objective optical system provided in a distal end portion of an insertion portion, and a light splitting element configured to split a light beam from an objective optical system into a plurality of light beams including a first light beam and a second light beam. The first light beam is reflected by a reflection mirror, and is formed into an image on a first image pickup device. The second light beam is formed into an image on a second image pickup device. The first image pickup device and the second image pickup device are disposed adjacent to the light splitting element at positions different from each other with respect to an optical axis of the light beam from the objective optical system.

An endoscope includes an objective optical system provided in a distal end portion of an insertion portion, and a light splitting element configured to split a light beam from an objective optical system into a plurality of light beams including a first light beam and a second light beam. The first light beam is reflected by a reflection mirror, and is formed into an image on a first image pickup device. The second light beam is formed into an image on a second image pickup device. The first image pickup device and the second image pickup device are disposed adjacent to the light splitting element at positions different from each other with respect to an optical axis of the light beam from the objective optical system.

A detector system for spatially resolved detection of a gas substance in an area is described. The detector system includes a detector comprising an image sensor; a band filter arranged in an optical beam path before the detector for transferring a beam with a wavelength spectrum including an absorption wavelength corresponding to the gas substance, a telescope, a polarizing beam splitter, and an interferometric stage including a retarder for creating an optical path difference for measuring absorption dips due to the presence of the gas substance. The retarder includes multiple birefringent media arranged with the optical axes relative to each other so that at least one increases an optical path difference and at least one decreases an optical path difference between the polarized beam components, and the thicknesses of the birefringent media are tuned to minimize a focal shift between the polarized beam components.

The present invention discloses a miniaturized wide-range laser range finder which belongs to the technical field of laser range finding, and comprises a monocular telescopic system, a laser emitting system and a laser receiving system, wherein the monocular telescopic system comprises an objective lens system, a focus adjusting system, a beam splitting prism group, a transparent liquid crystal display unit and an eyepiece system through which visible light passes in sequence; the laser emitting system comprises a laser light source and an emitting lens; the laser receiving system comprises an objective lens system, a focus adjusting system, a beam splitting prism group, a receiving lens, a light filter and a laser receiver through which a laser reflection light signal passes in sequence.