公开(公告)号：US4415250A

公开(公告)日：1983-11-15

申请号：US385240

申请日：1982-06-04

申请人： Dieter Rossmann ,  Volker Donn ,  Christian Ludwig

发明人： Dieter Rossmann ,  Volker Donn ,  Christian Ludwig

IPC分类号： G03B3/02 ,  G02B7/08 ,  G02B7/28 ,  G03B3/00 ,  G03B13/32

CPC分类号： G03B3/00

摘要： A focusing system for long focal length objectives, having an intermediate tube between the camera and the objective proper. For purposes of focusing, there is a displaceable part movable longitudinally through the intermediate tube, and movement of this part serves to move the lens elements axially for focusing. A receiver portion on the bottom of the intermediate tube receives interchangeably, in quickly attachable and detachable manner, either one of two different focusing mechanisms, the first having the shape of a gun stock with a trigger-like member serving to focus the lens quickly but not necessarily precisely when quick picture shooting of moving objects is desired, the second mechanism having means for accurate focusing and a tripod thread socket. Provision is made for turning the camera 90 degrees to change the format of the picture. Mechanism is provided for pre-setting the diaphragm aperture, and for operating the diaphragm of the lens at the front end of the intermediate tube from the camera located at the rear end of the tube, with provision for adjusting these mechanisms properly when the camera is turned to change the format, without turning the objective at the front of the tube. It is not necessary to detach either the camera or the lens when changing from one focusing mechanism to the other, or when turning the camera to change the format.

摘要翻译： 用于长焦距物体的聚焦系统，在相机和物镜之间具有中间管。 为了聚焦的目的，存在可纵向移动通过中间管的可移动部分，并且该部分的运动用于轴向移动透镜元件用于聚焦。 中间管底部的接收器部分以可快速连接和可拆卸的方式可互换地接收两种不同的聚焦机构中的一种，第一种具有具有触发器构件的枪料形状，用于快速聚焦镜片， 不需要精确地当需要快速拍摄移动物体时，第二机构具有精确对焦的装置和三脚架螺纹插座。 提供了将相机转动90度以更改图像的格式。 提供了用于预先设置光阑孔径的机构，并且用于在位于管后端处的照相机上操作中间管前端处的透镜隔膜，当照相机为 转向改变格式，而不转动管前面的物镜。 从一个对焦机构更换到另一个时，或者转动相机以更改格式时，无需将相机或镜头分离。

公开(公告)号：US4319824A

公开(公告)日：1982-03-16

申请号：US205918

申请日：1980-11-12

申请人： Dieter Rossmann

发明人： Dieter Rossmann

IPC分类号： G03B9/07

CPC分类号： G03B9/07

摘要： A diaphragm for photographic cameras and the like, of the type where the diaphragm closes down rapidly from a wide open aperture for viewing to a preselected smaller aperture for picture taking, immediately prior to the actual exposure. The usual slotted ring connected to the diaphragm leaves or blades is stopped in its running down movement by contact with an interception ring whose position is determined by a diaphragm presetting member, the contact between the interception ring and the presetting member including a resiliently displaceable ball. As the slotted ring runs down, it is stopped by impact with the interception ring, which absorbs some of the kinetic energy of the slotted ring, and the resiliently mounted ball connection with the position determining lever (stationary at this time) allows the interception ring to move slightly further beyond the position to which it has been preset, thus bringing the moving parts to a smooth cushioned stop and effectively damping any rebound or bounce which might otherwise occur as a result of quickly stopping the fast running down movement of the diaphragm.

摘要翻译： 用于照相机等的膜片，其类型是在实际曝光之前，光圈从宽开孔开始快速关闭以便观看到用于图像拍摄的预先选择的较小光圈。 连接到隔膜叶片或叶片的通常的开槽环通过与拦截环接触而停止运动，该拦截环的位置由隔膜预设构件确定，拦截环与预置构件之间的接触包括可弹性移位的球。 当开槽环向下运动时，通过与拦截环的冲击而阻止其吸收开槽环的一些动能，并且与位置确定杆（此时静止）的弹性安装的球连接允许拦截环 稍微进一步移动超过其预设位置，从而使运动部件平滑地缓冲停止，并有效地阻止由于快速停止隔膜的快速下降运动而可能发生的任何反弹或反弹。

公开(公告)号：US4671622A

公开(公告)日：1987-06-09

申请号：US779703

申请日：1985-09-24

申请人： Dieter Rossmann

发明人： Dieter Rossmann

IPC分类号： G02B7/10 ,  G02B7/105 ,  G02B7/04

CPC分类号： G02B7/10

摘要： A zoom lens mount in which all adjustments for variation of focal length and for focusing at all focal lengths as well as marco-focusing can be accomplished by manipulation of a single external operating ring. Movements are smooth from one position to another, eliminating or reducing the danger of jamming which has occurred with some prior constructions. Focal length is adjusted by axial displacement of the operating ring, and focusing by rotation of the operating ring. In the wide-angle position, marco-focusing can also be accomplished with the same operating ring.

摘要翻译： 变焦镜头座，其中可以通过操纵单个外部操作环来实现焦距变化和聚焦在所有焦距以及聚焦的所有调整。 移动从一个位置平滑到另一个位置，消除或减少一些先前结构发生的卡住的危险。 焦距通过操作环的轴向位移来调节，并通过操作环的旋转进行聚焦。 在广角位置，也可以使用相同的操作环来实现对焦。

公开(公告)号：US4405205A

公开(公告)日：1983-09-20

申请号：US209269

申请日：1980-11-21

申请人： Dieter Rossmann

发明人： Dieter Rossmann

IPC分类号： G02B7/105 ,  G02B7/04

CPC分类号： G02B7/105

摘要： An adjustment device for a macrolens objective wherein a first lens group and a second lens group are axially displaceable is constructed so that the rotary movement necessary to move the second lens group in an axial direction is derived from the axial movement of the first lens group. There is no direct connection between the first lens holder and a stationary housing. The first lens group holder is threadably attached to the focusing ring which in turn is threadably attached to the lens housing by threads of equal but opposite pitch. The axial movement of the first lens holder is transmitted to the second lens holder, preferably, by an intermediate ring having internally threaded helical grooves. The first lens holder is engaged in the helical grooves of the intermediate ring, which ring in turn is engaged in internally threaded helical grooves of the same pitch of a cylindrical portion of the second lens holder. The rotary movement of the cylindrical portion causes the second lens holder to move axially relative to the lens housing to which it is threadably engaged.

摘要翻译： 用于大体积物镜的调节装置，其中第一透镜组和第二透镜组可轴向移动，以使得沿轴向方向移动第二透镜组所需的旋转运动来自第一透镜组的轴向移动。 第一透镜架和固定壳体之间没有直接连接。 第一透镜组保持器螺纹连接到聚焦环，该聚焦环又通过相等但相对间距的螺纹螺纹连接到透镜壳体。 第一透镜架的轴向运动最好通过具有内螺纹螺旋槽的中间环传递到第二透镜架。 第一透镜保持器接合在中间环的螺旋槽中，该环又接合在第二透镜保持器的圆柱形部分的相同间距的内螺纹螺纹槽中。 圆柱形部分的旋转运动使得第二透镜架相对于其可螺纹接合的透镜壳体轴向移动。