| Patents for G03B 13 - Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras (11,611) |
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| 10/31/1978 | US4123778 Method of and apparatus for determining the sharpness of a picture |
| 10/17/1978 | US4121234 Focusing and projection screen |
| 10/10/1978 | US4119983 Self-contained interchangeable lens camera |
| 10/03/1978 | US4118720 Viewfinder eyepiece leveling device |
| 09/26/1978 | CA1039094A1 Automatic focus apparatus |
| 09/19/1978 | US4115808 Optical signal play-back device with auto-focussing of a light beam at a record carrier surface |
| 09/19/1978 | US4114994 Focus detecting system |
| 09/12/1978 | US4114171 Reflex camera with internal zoom lens |
| 09/12/1978 | CA1038211A1 Automatic focus apparatus |
| 09/05/1978 | US4110980 Apparatus for producing mechanical kinetic energy from falling water |
| 08/29/1978 | US4110767 Shutter and view finder for single lens reflex camera |
| 08/15/1978 | US4107520 Continuous focus proportional controller |
| 08/08/1978 | US4106038 Indicator in a finder |
| 08/01/1978 | US4104663 Multiple objective lens camera |
| 08/01/1978 | US4104652 Single lens reflex camera |
| 08/01/1978 | US4104651 Focusing screen unit for single lens reflex camera |
| 08/01/1978 | US4104517 Method and optical system for automatic parallax determination |
| 07/25/1978 | US4103311 Method and apparatus for adjusting the view finder of a single-lens reflex camera |
| 07/25/1978 | US4103152 Distance determining and automatic focusing apparatus with false peak discrimination |
| 07/18/1978 | US4101916 Illuminated ground glass for camera |
| 07/18/1978 | US4101912 Data recording device for camera |
| 07/11/1978 | US4100557 Visor optical camera system |
| 07/11/1978 | US4100556 Combined view and rangefinder with specially configured moving lens |
| 07/11/1978 | US4100555 Modular photographic rangefinder camera |
| 06/20/1978 | US4096499 Mirror supporting body at a single lens reflex camera |
| 06/20/1978 | US4096495 Iris control |
| 06/06/1978 | US4093365 Automatic focus adjusting device |
| 04/25/1978 | US4086000 Viewfinder optics with zero power doublet |
| 04/18/1978 | US4085320 Automatic focus system with loss of correlation inhibit |
| 04/04/1978 | US4083057 Focus size compensation |
| 03/28/1978 | US4081809 Viewfinder system for a large camera |
| 03/28/1978 | US4081807 Reflex mirror for single lens reflex camera |
| 03/28/1978 | US4081626 Electrostatic transducer having narrowed directional characteristic |
| 03/21/1978 | US4080531 Single pass distance determining and automatic focusing apparatus with separately adjusted optical element |
| 03/14/1978 | US4079399 Control mechanism for a retractable viewfinder |
| 03/14/1978 | US4079248 Optical focussing sensor |
| 03/07/1978 | US4078172 Continuous automatic focus system |
| 03/07/1978 | US4078171 Digital auto focus |
| 02/14/1978 | US4074312 Automatic dithering optical focusing system using an oscillating mirror in the path of the radiation beam |
| 02/07/1978 | US4072971 Focus adjustment and determination means |
| 01/31/1978 | US4071292 Focussing plate |
| 01/24/1978 | US4070686 Camera with adjustable objective |
| 12/20/1977 | US4064520 Still photographic or movie camera |
| 12/20/1977 | US4064516 Reflex camera light detecting arrangement |
| 12/13/1977 | US4063261 View finder optical system |
| 11/29/1977 | US4060817 Photographic apparatus with lens focusing scale |
| 11/29/1977 | US4060725 Focal plane detecting device |
| 11/29/1977 | US4060325 Automatic focusing system employing two variable frequency oscillators |
| 11/29/1977 | US4060010 Reduction gear, especially for camera lens motors |
| 11/22/1977 | US4059756 Focus control system with dual scan |
| 10/11/1977 | US4053240 Object distance measuring system for an optical instrument |
| 10/11/1977 | US4053211 Focus adjusting device for telephotographic lens |
| 09/27/1977 | US4051496 Remote control camera |
| 09/20/1977 | US4049960 Focusing arrangement |
| 09/06/1977 | US4047222 Camera viewfinding system |
| 09/06/1977 | US4047207 Viewing system for reflex camera |
| 09/06/1977 | US4047206 Single lens reflex camera |
| 08/30/1977 | US4045805 Automatic focusing apparatus |
| 08/30/1977 | US4045804 Focus detecting device |
| 07/26/1977 | US4038673 View finder for photographic apparatus utilizing objectives having different focal lengths |
| 07/12/1977 | US4035817 Remote controlled camera |
| 06/28/1977 | US4032940 Retractable camera |
| 06/28/1977 | US4032938 Miniature single lens reflex camera |
| 06/28/1977 | US4032801 Electromagnetic radiation intensity comparator apparatus |
| 06/28/1977 | US4032777 Photomeric monitoring device |
| 06/28/1977 | US4032776 Automatic optical focussing system |
| 05/31/1977 | US4027327 View finder for reflex camera |
| 05/24/1977 | US4025785 Method of and apparatus for the automatic focusing of stereoscopic microscopes |
| 05/03/1977 | US4021829 Camera attachment operating device for setting exposure factor |
| 05/03/1977 | US4021823 Photometric device built into viewfinder system for a single lens reflex camera |
| 04/19/1977 | US4019191 Photometric device for use in a single lens reflex camera |
| 04/19/1977 | US4019049 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit |
| 04/12/1977 | US4017168 Equipment for use with hand held motion picture cameras |
| 04/05/1977 | US4016580 Folding viewfinding and flash mounting assembly |
| 03/15/1977 | US4012634 Automatic focusing system including quantizing means |
| 03/15/1977 | US4012124 Adjustable mounting device for optics lens systems |
| 03/08/1977 | US4011571 View finder for cameras |
| 01/25/1977 | US4005447 Dual beam rangefinder |
| 01/25/1977 | US4005441 Photometric device of through the lens type exposure meter in a single-lens reflex camera |
| 01/18/1977 | US4003637 Focusing screen for reflex cameras having integral range finder means |
| 12/28/1976 | US4000417 Scanning microscope system with automatic cell find and autofocus |
| 12/14/1976 | US3997715 Focusing system for videodisc player |
| 11/30/1976 | US3995294 Camera viewing adapter |
| 11/02/1976 | US3989349 Reflex finder |
| 10/26/1976 | US3988747 Automatic focussing system for photographic cameras |
| 10/05/1976 | US3984677 Photo-electric conversion element and a method for detecting object image visibility employing the same and also a device therefor |
| 09/21/1976 | US3981579 Apparatus for selecting originals for copying on the basis of image sharpness |
| 08/31/1976 | US3978503 Light shield mechanism for quadrilateral opening |
| 08/17/1976 | US3975631 Structures for detecting focal adjustment of optical systems |
| 07/27/1976 | US3972056 Varifocal lens assembly |
| 07/20/1976 | US3971052 Compact galilean viewfinder |
| 07/20/1976 | US3971051 Focusing screen |
| 07/20/1976 | US3970842 Automatic focus control device |
| 07/20/1976 | US3970370 Lens barrel for photographic cameras |
| 07/13/1976 | US3969575 Opto-electronic focus detection system |
| 06/29/1976 | US3967287 Light receiving device for use in a single lens reflex camera |
| 06/01/1976 | US3961344 Dual field viewfinder |
| 05/18/1976 | US3958261 Reflex camera and viewing device and attachment therefor |
| 04/27/1976 | US3953863 Method and apparatus for focusing an objective |
| 04/27/1976 | US3953729 Automatic focus adjustment of a camera |