Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 9 - Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or
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)
10/1978
10/31/1978US4123144 Four-member gauss objective
09/1978
09/19/1978US4114992 Variant Ernostar type long focus lens system
08/1978
08/29/1978US4110007 Large aperture photographic lens system
08/29/1978US4109995 Triplet with aspheric surfaces
08/15/1978US4106854 Photographic lens system having a large aperture ratio
08/08/1978US4105308 Aspheric plastic triplet
07/1978
07/18/1978US4101203 Gauss type lens system
07/18/1978US4101196 Objective optical system for endoscopes
07/11/1978US4099849 Wide angle objective
07/11/1978US4099843 Compact large-aperture photographic lens system with long back focal length
06/1978
06/20/1978US4095873 Miniature and large aperture retrofocus wide-angle photographic lens
06/13/1978US4094588 Large-aperture photographic lens system
06/06/1978US4093348 Lens system with frontal aperture stop
05/1978
05/16/1978US4089591 Extremely high speed objective
05/02/1978US4087161 Lens
04/1978
04/11/1978US4083628 Copying objective lens system
03/1978
03/28/1978US4081210 Composite four-element lens system, particularly for use with laser beams
03/21/1978US4080048 Ultra-high resolution reducing lens system
03/07/1978US4077704 Reproducing objective for video disks
02/1978
02/28/1978US4076390 Objective for optical system
12/1977
12/27/1977US4065205 Short focal length optical system with large aperture
12/20/1977US4064520 Still photographic or movie camera
12/20/1977US4063802 Telephotographic lens system having short total length
11/1977
11/08/1977US4057330 Lens system having large relative aperture and long focus
11/08/1977US4057329 Adjustable focal length optical design
11/08/1977US4057328 Enlarging lens system
09/1977
09/06/1977US4046460 Objective for video disks
08/1977
08/30/1977US4045127 Enlarging lens system
08/16/1977US4042295 Retrofocus-type objective for endoscopes
07/1977
07/26/1977US4037938 Retrofocus-type objective for endoscopes
07/12/1977US4035063 Compact wide-angle photographic lens system with a short overall length
07/05/1977US4033675 Wide angle lens
06/1977
06/14/1977US4029398 Objective for video disks
06/14/1977US4029397 Retrofocus-type wide-angle photographic lens system
05/1977
05/24/1977US4025169 High speed wide angle objective lens system
05/24/1977US4025155 Image-transmitting optical system
04/1977
04/26/1977US4019810 Photographic wide angle lens
04/19/1977US4018512 Retrofocus type lens
04/19/1977US4018511 Photographic wide angle lens
04/05/1977US4015897 Four element lens system
03/1977
03/22/1977US4013350 Large aperture superwide-angle lens
03/22/1977US4013349 Wide-angle objective
03/22/1977US4013348 Optical system for reproduction
03/22/1977US4013347 Movable filter optical system for providing improved optical transmission characteristics
03/22/1977US4013346 Enlarging lens system
03/01/1977US4009944 Miniature and large aperture retrofocus wide-angle lens
02/1977
02/22/1977US4008952 Retrofocus-type lens system
01/1977
01/11/1977US4002406 Microscope condenser
12/1976
12/21/1976US3998529 Microfilm recorder lens
12/21/1976US3998528 7MM Ultrafiche lens
12/21/1976US3998527 Wide-angle photographic lens system with a short overall length
12/14/1976US3997248 Large aperture telephoto lens system
12/14/1976US3997247 Unsymmetrical wide angle lens
11/1976
11/30/1976US3994576 Objective lens system with five elements
11/30/1976US3994575 Wide angle objective lens
11/30/1976US3994574 Wide-angle photographic lens system
11/16/1976US3992085 Large aperture wide angle lens system employing an aspherical surface
11/02/1976US3989317 Objective lens system
10/1976
10/05/1976US3984155 Compact lens system having a long back focal length and a large relative aperture
09/1976
09/28/1976US3982823 Retrofocus wide-angle objective lens system of large relative aperture
09/21/1976US3981563 Retrofocus wide angle lens system
08/1976
08/24/1976US3976367 Retrofocus type wide angle lens of low F-number
08/24/1976US3976366 Retrofocus-type ultra-wide angle photographic lens system
08/24/1976US3976365 Large-aperture, ultra wide angle photographic lens system
08/17/1976US3975095 Catoptric projection system with a spherical reflecting surface
08/17/1976US3975091 Wide angle photographic lens
08/10/1976US3973833 Lens where the light rays obey the relation H=KFθ
08/10/1976US3973832 Retro-focus type wide angle lens system
07/1976
07/06/1976US3967884 Three element objective lens
06/1976
06/15/1976US3963325 Wide angle lens
06/08/1976US3961844 Lens
05/1976
05/25/1976US3958866 Copying objective lens system
05/25/1976US3958865 Retrofocus type lens system
05/25/1976US3958864 High power photographic objective with large angular field
05/11/1976US3955883 Wide angle photographic lens
04/1976
04/27/1976US3953112 Behind-stop type compact photographic lens system
04/20/1976US3951524 Projection lens system for motion picture projector
04/20/1976US3951523 Photographic lens system with a short overall length
04/06/1976US3948584 High speed lens having short back focus and compact rear member
03/1976
03/30/1976US3947094 Retro-telecentric lens
03/16/1976US3944339 Large aperture photographic objective
03/16/1976US3944338 Short focal length long back focus objective
03/16/1976US3944337 Three element objective lens with ellipsoidal, hyperbolic, and parabolic surfaces
03/09/1976US3942877 Short focal length Petzval-type optical system
03/09/1976US3942876 Telephoto lens
03/09/1976US3942875 Wide aperture long focal length lens
03/02/1976US3941457 Symmetrical type four-component lens system
02/1976
02/17/1976US3938884 Large aperture photographic lens system
02/17/1976US3938883 Wide angle lens system
02/17/1976US3938882 High numerical aperture intermediate wide angle objective
02/03/1976US3936154 Short focal length large aperture optical system
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