| Patent Number |
Title Of Patent |
Date Issued |
| 4353634 |
Focusing mechanism for camera objective |
October 12, 1982 |
| A front component of a varifocal camera objective, axially shiftable for focusing purposes, is provided with a lens mount held by an axially extending guide rod which is slidably received in an inner annular flange and an end wall of a lens barrel. The lens mount has a pin projecting |
| 4200377 |
Focusing mechanism for camera objective |
April 29, 1980 |
| A front component of a varifocal camera objective, axially shiftable for focusing purposes, is provided with a lens mount held by an axially extending guide rod which is slidably received in an inner annular flange and an end wall of a lens barrel. The guide rod has a rear extremity |
| 4168884 |
Varifocal objective with mechanism for closeup focusing |
September 25, 1979 |
| A varifocal objective with a front component, axially shiftable for focusing purposes, and with a second and third component, axially displaceable by camming grooves in a control sleeve for changing the focal length, is provided with a coupling ring centered on the objective axis whi |
| 4110769 |
Coupling mechanism for the alternate manual and automatic adjustment of a varifocal objective |
August 29, 1978 |
| A camming sleeve for the adjustment of the shiftable components of a varifocal objective is fixed to a surrounding coaxial control ring having a slot traversed by a knob which is rigid with a slider received in a recess between the control ring and the sleeve. The slider, which is in |
| 4081811 |
Diaphragm preselector for camera objective |
March 28, 1978 |
| An iris diaphragm of a reflex camera, spring-biased into a wide-open position, is settable to a preselectable stop position via a linkage including a cam follower on an integral extension of a resilient swing ring oscillatable about an off-axial fulcrum. The cam follower coacts with |
| 4079401 |
Diaphragm preselector for camera objective |
March 14, 1978 |
| An iris diaphragm of a reflex camera, spring-biased into a wide-open position, is settable to a preselectable stop position via a linkage including a cam follower on a swing ring oscillatable about an off-axial fulcrum. The cam follower coacts with a cam disk which is manually rotated |
| 4054372 |
Focusing mechanism for varifocal objective |
October 18, 1977 |
| A varifocal objective with a four-component front lens group, including axially shiftable second and third components, is provided with a focusing mechanism for the joint displacement of these second and third components as well as a further lens member relatively to the axially fixed fi |
| 4036571 |
Molding apparatus for making iris leaf |
July 19, 1977 |
| Iris leaves for optical components such as diaphragms or shutters are injection-molded, together with integral pivot pins, of thermoplastic resin which is given a mat appearance by a roughening of the mold-cavity surfaces. In the case of a composite leaf consisting of two legs articu |
| 4009946 |
Iris leaf for optical component |
March 1, 1977 |
| Iris leaves for optical components such as diaphragms or shutters are injection-molded, together with integral pivot pins, of thermoplastic resin which is given a mat appearance by a roughening of the mold-cavity surfaces. In the case of a composite leaf consisting of two legs articu |
| 4008951 |
Control mechanism for optical system with independently movable components |
February 22, 1977 |
| A varifocal objective with two independently movable components is adjustable by a reversible master motor positively coupled with a screw drive for one component and with a movable part of a position sensor which emits pulses of varying density during displacement of that component for |
