| Patents for G02B 9 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or (5,791) |
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| 06/02/1998 | US5760973 Compact wide-angle lens system |
| 05/19/1998 | US5754347 Photographic lens system |
| 05/19/1998 | US5754345 Wide angle imaging lens |
| 05/06/1998 | EP0840156A2 Objective lens and optical pickup apparatus |
| 05/06/1998 | CN1180841A Projection lenses having large back focal length to focal length ratios |
| 04/28/1998 | US5745307 Cluster lens system such as for use in photographic printers |
| 04/24/1998 | CA2218675A1 Objective lens having a doublet lens with high numerical aperture |
| 04/23/1998 | DE19642814A1 Objective lens system for large format scanner |
| 04/22/1998 | CN1179544A Doublet lens, variable apex angle prism and deviation correction device |
| 04/21/1998 | US5742439 Apochromatic wide-angle objective |
| 04/15/1998 | EP0835473A1 Fixed-focus triplet projection lens for overhead projectors |
| 04/14/1998 | US5739966 Imaging lens system |
| 04/14/1998 | US5739965 Wide angle lens system for camera |
| 03/24/1998 | US5731915 Readout lens |
| 03/24/1998 | US5731912 Photographing lens |
| 03/24/1998 | US5731908 Photographic lens system |
| 03/17/1998 | US5729389 Objective lens system for microscopes |
| 03/03/1998 | US5724191 Enlarging lens with a large working distance |
| 02/11/1998 | CN1172964A Athermal LCD projection lens |
| 02/03/1998 | US5715098 Lens system for a head separated type charge coupled device camera |
| 01/14/1998 | EP0818698A1 Optical projector |
| 01/06/1998 | US5706141 Photographing lens |
| 12/30/1997 | US5703723 Optical system comprising graded refractive index lens element |
| 12/23/1997 | US5701207 Camera with a fixed focal length lens |
| 12/17/1997 | CN1167924A Long focal length projection lenses |
| 12/16/1997 | US5699202 Imaging lens |
| 11/26/1997 | EP0809407A1 Projection lenses having large back focal length to focal length ratios |
| 11/18/1997 | US5689376 Two element optical system, a camera using it and method of making the camera |
| 11/06/1997 | WO1997041477A1 Projection television lens system |
| 11/06/1997 | WO1997041461A1 Lcd projection lens |
| 10/28/1997 | US5682269 Objective lens device |
| 10/21/1997 | US5680259 Wide angle lens |
| 10/21/1997 | US5680254 Lens for reading an original image |
| 10/21/1997 | US5680249 Optical system for camera |
| 10/14/1997 | US5677798 Image forming lens system |
| 09/30/1997 | US5673083 Semiconductor device and video camera unit having the same and method for manufacturing the same |
| 09/24/1997 | CN1160215A Photographic lens system |
| 09/16/1997 | US5668669 Compact wide-angle objective lens |
| 09/09/1997 | US5666234 Two-element optical system for photographic cameras |
| 09/03/1997 | CN1158428A Lens system for head separated type charge coupled device camera |
| 08/19/1997 | US5659424 Projecting lens and image display device |
| 08/12/1997 | US5657170 Photographic lens apparatus |
| 08/12/1997 | US5657122 Technique for achieving preferred optical alignment in a scanning interferometer |
| 07/30/1997 | EP0506955B1 Apochromatic relay lens systems suitable for use in a high definition telecine apparatus |
| 07/22/1997 | US5650878 Compact lens system and a method for making such |
| 07/15/1997 | US5647664 Lighting system for spotlights and the like |
| 07/10/1997 | DE19654175A1 Lens for compact camera |
| 06/25/1997 | CN1152717A Fast photographic lens system |
| 06/12/1997 | DE19650724A1 Photographic lens consisting of two lens groups |
| 06/10/1997 | US5638212 Method of manufacturing a diffractive surface profile |
| 06/03/1997 | US5636067 Taking lens system |
| 06/03/1997 | US5636065 Triplet lens system |
| 05/27/1997 | US5633757 Projection lens |
| 05/20/1997 | US5631777 Photographing lens for lens-fitted film unit or fixed focus lens camera |
| 04/24/1997 | DE19639594A1 High-speed lens system, especially for single-lens reflex cameras |
| 04/23/1997 | EP0769156A1 Extreme wide angle, very large aperture, compact, UV imaging lens |
| 04/22/1997 | US5623371 Macro lens system |
| 04/22/1997 | US5623370 Gradient index lens system |
| 04/15/1997 | US5621575 Wide angle lens system |
| 04/01/1997 | US5617255 Camera lens system |
| 03/30/1997 | CA2184883A1 Fast photographic lens system |
| 03/26/1997 | EP0764865A2 Projection television lens system |
| 03/25/1997 | US5615051 Bright triplet |
| 03/25/1997 | US5615049 Internal focus objective lens |
| 03/18/1997 | US5612826 Lens holding device for holding a lens system and method for making |
| 03/11/1997 | US5610670 Opthalmic lens having a positive refractive power |
| 02/25/1997 | US5606461 Behind stop triplet lens |
| 02/18/1997 | US5604639 Two-element optical system and camera and method of making a camera |
| 02/04/1997 | US5600493 Finite conjugate lens system |
| 01/21/1997 | US5596455 Fixed-focus triplet projection lens for overhead projectors |
| 01/21/1997 | US5596452 Collimator lens system |
| 01/16/1997 | WO1997001786A1 Fixed-focus triplet projection lens for overhead projectors |
| 12/31/1996 | US5589989 Compact objective lens system |
| 12/31/1996 | US5589983 Method of manufacturing a diffractive surface profile |
| 12/12/1996 | WO1996039609A1 Technique for achieving preferred optical alignment in a scanning interferometer |
| 12/03/1996 | US5581405 Hybrid refractive/diffractive achromatic camera lens and camera using such |
| 11/05/1996 | US5572369 Triplet-type lens for use in a compact photographic camera |
| 10/23/1996 | EP0674757B1 Lighting system for spotlights, projectors and enlarging apparatuses |
| 10/14/1996 | CA2147333A1 Panoramic viewing system |
| 09/03/1996 | US5552938 Projection device for projecting an original image onto a screen |
| 08/27/1996 | US5550600 Ophthalmic lens having a negative refractive power |
| 08/20/1996 | US5548447 Photographic lens system |
| 08/13/1996 | US5546229 Optical system comprising graded refractive index lens element |
| 08/13/1996 | US5546228 Re-imaging optical system |
| 08/06/1996 | USRE35310 Color corrected projection lens |
| 07/30/1996 | US5541779 Optical imaging system |
| 07/30/1996 | US5541775 Optical system including a distributed index optical element in combination with a lens having a homogeneous refractive index |
| 07/30/1996 | US5541692 Camera with triplet lenses |
| 07/23/1996 | US5539579 Projection lens assembly and projection display apparatus |
| 07/11/1996 | DE19600145A1 Linsensystem für eine CCD-Kamera Lens system for a CCD camera |
| 07/10/1996 | EP0721150A2 Projection optical system and exposure apparatus using the same |
| 07/03/1996 | CN1125852A Relay lens for use with a light amplifier |
| 06/19/1996 | EP0717299A1 Exposure apparatus |
| 06/18/1996 | US5528428 Compact wide-angle objective lens |
| 06/12/1996 | EP0716326A2 A projection lens |
| 06/11/1996 | US5526185 Method and system for designing color corrected optical systems |
| 06/04/1996 | US5523885 Viewfinder optical system |
| 05/21/1996 | US5519540 Taking lens for underwater camera |
| 05/15/1996 | EP0712019A2 Projection optical system and projection exposure apparatus |
| 05/09/1996 | DE4438458A1 Lens illustrating article on receiver |