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