Abstract: A method for determining the depth of field for a specific distance by means of measuring optics comprises manual optical focussing of the measuring optics by means of the human eye without projection onto a focussing screen or intermediate projection surface, monitoring of the movement of the measuring optics mechanism during focussing, determining and indicating the adjusted distance from the movement, wherein, with consideration of focal distance, aperture, hyperfocal distance and circle of confusion, the range of the depth of field to the adjusted distance is arithmetically determined and indicated.

Abstract: A method for determining the depth of field for a specific distance by means of measuring optics comprises manual optical focussing of the measuring optics by means of the human eye without projection onto a focussing screen or intermediate projection surface, monitoring of the movement of the measuring optics mechanism during focussing, determining and indicating the adjusted distance from the movement, wherein, with consideration of focal distance, aperture, hyperfocal distance and circle of confusion, the range of the depth of field to the adjusted distance is arithmetically determined and indicated.

Abstract: A tripod head for receiving an optical device, comprising a cylinder-shaped housing having a connection device for a tripod at one end, and comprising a plane-symmetrical body arranged such that it can pivot in the housing, and comprising a locking device for clamping the plane-symmetrical body, wherein the plane-symmetrical body is a hollow and two-piece joint ball, the cavity of which forms an installation space and a guide for a pivoting part.

Abstract: A quick-release device for clamping a quick-change plate of an optical device in a guide on a baseplate, the quick-change plate and the guide comprising complementarily formed guide surfaces, the guide comprising first and second mounting elements adjustable relative to each other, and a device for fixing the quick-change plate in place designed for adjusting the distance of the mounting elements to each other, characterized in that the device for fixing the quick-change plate in place comprises a lever engaging with a cam in a slotted link disposed in the first mounting element, such that a motion of the lever adjusts the first mounting element relative to the second mounting element.

Abstract: An L-shaped holder for optical devices, in particular cameras, comprising a first exchangeable plate that can be fastened to the housing of the optical device by means of a screw, a second exchangeable plate and a connector having two webs separated by an angled section for connecting the two exchangeable plates, each exchangeable plate being arranged on one of the webs of the connector, which is characterised in that the exchangeable plates are connected to the connector such that the exchangeable plates can be moved on the connector.

Abstract: A holder for an optical device for changing the orientation of the optical device, such as for photographic, video or film cameras, having a first component having a first pivot axis for connecting to a tripod and a second component having a second pivot axis for connecting to the optical device, wherein the two pivot axes extend transversely with respect to each other and can each be adjusted in a mutually independent manner, wherein the first pivot axis is arranged in the first component and the second pivot axis is likewise arranged in the first component.

Abstract: A holder for an optical device for changing the orientation of the optical device, such as for photographic, video or film cameras, having a first component having a first pivot axis for connecting to a tripod and a second component having a second pivot axis for connecting to the optical device, wherein the two pivot axes extend transversely with respect to each other and can each be adjusted in a mutually independent manner, wherein the first pivot axis is arranged in the first component and the second pivot axis is likewise arranged in the first component.

Abstract: The invention relates to a mounting arrangement for optical devices having a mounting plate forming an undercut guide for receiving a clamping plate, the mounting plate comprising a side bar in which an undercut profile groove is formed, and having a strip located opposite the bar movably connected to the mounting plate via a clamping mechanism and a second undercut profile groove forming the undercut guide together with the first undercut profile groove, the strip being able to be tightened against the mounting plate by the clamping mechanism to fix the clamping plate, whereby the spacing distance between the undercut profile grooves is reduced. A second undercut guide is formed by additional undercut profile grooves in the same side bar of the mounting plate and the same strip, wherein the guides are both disposed on one side of the plane (X) spanned by the mounting plate.

Abstract: An L-shaped holder for optical devices, in particular cameras, comprising a first exchangeable plate that can be fastened to the housing of the optical device by means of a screw, a second exchangeable plate and a connector having two webs separated by an angled section for connecting the two exchangeable plates, each exchangeable plate being arranged on one of the webs of the connector, which is characterised in that the exchangeable plates are connected to the connector such that the exchangeable plates can be moved on the connector.

Abstract: A quick-release device for clamping a quick-change plate of an optical device in a guide on a baseplate, the quick-change plate and the guide comprising complementarily formed guide surfaces, the guide comprising first and second mounting elements adjustable relative to each other, and a device for fixing the quick-change plate in place designed for adjusting the distance of the mounting elements to each other, characterized in that the device for fixing the quick-change plate in place comprises a lever engaging with a earn in a slotted link disposed in the first mounting element, such that a motion of the lever adjusts the first mounting element relative to the second mounting element.

Abstract: A mounting for an optical apparatus includes a joint ball (1), a mounting device (2) for the optical apparatus and means for fixing the mounting device to the joint ball (1). The mounting device has two rings (6, 7) which are arranged displaceable to one another and are also movable on the joint ball (1) and surround the joint ball. A fixing means (3) is disposed between the rings (6, 7) and connects them, the whole such that the rings can be moved simultaneously and jointly.

Abstract: The invention relates to a mounting arrangement for optical devices having a mounting plate forming an undercut guide for receiving a clamping plate, the mounting plate comprising a side bar in which an undercut profile groove is formed, and having a strip located opposite the bar movably connected to the mounting plate via a clamping mechanism and a second undercut profile groove forming the undercut guide together with the first undercut profile groove, the strip being able to be tightened against the mounting plate by the clamping mechanism to fix the clamping plate, whereby the spacing distance between the undercut profile grooves is reduced. A second undercut guide is formed by additional undercut profile grooves in the same side bar of the mounting plate and the same strip, wherein the guides are both disposed on one side of the plane (X) spanned by the mounting plate.

Abstract: A device for aligning plate-like workpieces traveling in a machine direction in a machine processing them, more particularly in a folder-gluer, comprising an upper aligner and a lower aligner. The lower aligner is equipped, on the one hand with a guiding member mounted on a lower guide, and on the other hand with a lower conveyor having at least one useful portion which is fixedly attached to an upper guide movable in the horizontal plane with respect to the lower guide. The lower and upper guides form a bearing element unit, which is weakened by an opening extending between the guides.

Abstract: A tripod head includes a cylindrical housing 1 having connection member at one end for a tripod, a ball joint (2) rotatably and pivotally arranged in the housing (1), a bearing element (4) for the ball joint (2), having a sliding surface (7) contacting the circumference of the ball joint (2) and arranged so as to be axially displaceable and rotatable in the housing (1), and a device (5) for fixing the ball joint (2) and having a support (6) for the bearing element 4 and an adjusting device (25) in operative connection with the support (6) in order to displace the bearing element against the ball joint to achieve the clamping action.

Abstract: A mounting for an optical apparatus includes a joint ball (1), a mounting device (2) for the optical apparatus and means for fixing the mounting device to the joint ball (1). The mounting device has two rings (6, 7) which are arranged displaceable to one another and are also movable on the joint ball (1) and surround the joint ball. A fixing means (3) is disposed between the rings (6, 7) and connects them, the whole such that the rings can be moved simultaneously and jointly.

Abstract: A rotatable knob for fixation of an apparatus support includes a knob shell (1), a coupling part (2) for the connection of the knob shell to the spindle, a sleeve (3) which is connectable to the housing, a cover disc (4) which is secured by the sleeve (3) to the housing, a screw (5) arranged in the knob shell (1) for the setting of the holding force and a clamping disc (6) which cooperates with the knob shell (1) and the sleeve (3). The clamping disc (6) is guided in the knob shell (1) and is rotatably arranged on the sleeve (3) so that, on rotation of the knob shell, (1) the clamping disc (6) executes a synchronous rotary movement with the knob shell (1) and the linear movement with respect to the knob shell (1).

Abstract: A device for attaching a retaining member (1) for an optical apparatus (2) to a support (3) includes a screw (11) for securing the retaining member (1) to the support (3) and having a conical head (13) countersunk in the retaining part of retaining member, and a key connection (12) for aligning the retaining member (1) with the support (3) and secured in place by the screw (11).

Abstract: A device for aligning plate-like workpieces traveling in a machine direction in a machine processing them, more particularly in a folder-gluer, comprising an upper aligner and a lower aligner. The lower aligner is equipped, on the one hand with a guiding member mounted on a lower guide, and on the other hand with a lower conveyor having at least one useful portion which is fixedly attached to an upper guide movable in the horizontal plane with respect to the lower guide. The lower and upper guides form a bearing element unit, which is weakened by an opening extending between the guides.

Abstract: A tripod head includes a cylindrical housing 1 having connection member at one end for a tripod, a ball joint (2) rotatably and pivotally arranged in the housing (1), a bearing element (4) for the ball joint (2), having a sliding surface (7) contacting the circumference of the ball joint (2) and arranged so as to be axially displaceable and rotatable in the housing (1), and a device (5) for fixing the ball joint (2) and having a support (6) for the bearing element 4 and an adjusting device (25) in operative connection with the support (6) in order to displace the bearing element against the ball joint to achieve the clamping action.