| Patents for G02B 15 - Optical objectives with means for varying the magnification (11,929) |
|---|
| 05/31/1977 | USRE29237 Zoom lens for super 8 film |
| 05/24/1977 | US4025167 Telephoto-type zoom lens system |
| 04/19/1977 | US4018510 Varifocal objective containing movable lens component of positive refractivity |
| 04/05/1977 | US4015895 Zoom lens system having enlarged range of variation in magnification |
| 03/01/1977 | US4009942 Zoom lens device |
| 03/01/1977 | US4009928 Three element varifocal lens systems |
| 12/28/1976 | US4000501 Optical instrument with a zoom lens structure |
| 12/14/1976 | US3997244 Zoom lens having well-compensated distortion |
| 11/30/1976 | US3994572 Varifocal lens system with macro-photography capabilities |
| 11/30/1976 | US3994571 Zoom lens system having a focusing lens consisting of only one lens component |
| 11/16/1976 | US3992084 Zoom lens system also capable of ultra-closeup photography |
| 11/16/1976 | US3992083 Variable focal length optical system of super-high magnification ratio |
| 11/02/1976 | US3989349 Reflex finder |
| 09/14/1976 | US3980398 Zoom objective |
| 08/17/1976 | US3975089 Zoom lens |
| 08/10/1976 | US3973831 Symmetrical lens system affording variable magnification |
| 08/03/1976 | US3972592 Zoom projection lens |
| 08/03/1976 | US3972591 Greatly variable magnification zoom lens system of large aperture ratio |
| 07/27/1976 | US3972056 Varifocal lens assembly |
| 07/20/1976 | US3970368 Optical zooming lens |
| 07/20/1976 | US3970367 Zoom lens system |
| 07/20/1976 | US3970366 Highly variable magnification zoom lens system having a diaphragm with its apertures diameter varied in relation with zooming |
| 06/08/1976 | US3961845 Zoom lens system |
| 05/11/1976 | US3956759 Compact single lens reflex cassette camera |
| 03/30/1976 | US3947084 Long-wave infrared afocal zoom telescope |
| 03/16/1976 | US3944324 Image stabilized zoom lens system |
| 03/09/1976 | US3942874 Pancratic wide-angle objective |
| 02/10/1976 | US3937562 Three-component varifocal objective |
| 02/03/1976 | US3936150 Lens selection device |