Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 15 - Optical objectives with means for varying the magnification
Patents for G02B 15 - Optical objectives with means for varying the magnification (11,929)
08/1999
08/31/1999US5946123 Scan-range-changing mechanism of a scanner
08/31/1999US5946028 Apparatus and method for controlling magnification of image in camera
08/18/1999CN2334039Y High-temp. resistant zoom TV camera lens
08/17/1999US5940632 Magnification change-over device for camera
08/17/1999US5940222 Catadioptric zoom lens assemblies
08/17/1999US5940221 Zoom lens and video camera comprising the same
08/10/1999US5936780 Projection zoom lens having a long back focal length
08/04/1999EP0933929A1 Optical system for TV camera with still-taking function
08/03/1999US5933284 Zoom lens
08/03/1999US5933283 Zoom lens
08/03/1999US5933282 Vari-focal image pickup optical system for endoscopes
08/03/1999US5933281 Zoom lens system
07/1999
07/27/1999US5930052 Zoom lens system
07/27/1999US5930051 Zoom lens system for inner focusing
07/27/1999US5930034 Microscope with a telescopic function and method
07/22/1999WO1999036821A1 Zoom lens and video camera and electronic still camera using this
07/20/1999US5926322 Zoom lens device with zooming position detector
07/20/1999US5926316 Projection lens system
07/15/1999WO1999035517A2 Compact zoom lens with diffractive surface and anti-aliasing feature
07/13/1999US5923478 Zoom lens system
07/08/1999DE19900146A1 Optical zoom lens system for cameras
07/06/1999US5920435 Zoom lens
07/06/1999US5920427 Keplerian variable magnification finder
07/06/1999US5920426 Telescopic viewfinder optical system
06/1999
06/29/1999US5917658 Zoom lens system
06/29/1999US5917650 Variable magnification finder
06/24/1999WO1999018467A9 Zoom lens system having imaging and non-imaging ranges
06/23/1999EP0924545A1 Telescopic viewfinder optical system
06/22/1999US5914820 Zoom lens system
06/22/1999US5914819 Image pickup apparatus having lens holding unit and adjustment mechanism
06/16/1999EP0843837B1 Fibre optic device for optically processing a laser beam
06/16/1999EP0843836B1 Optical device for homogenising a laser beam
06/15/1999US5912771 Zoom lens system
06/08/1999US5910860 Zoom lens
06/02/1999EP0919844A1 Four group zoom lens
06/01/1999US5909318 Three-group zoom lens
05/1999
05/27/1999WO1999026090A1 Wide field of view projection lenses for compact projection lens systems employing pixelized panels
05/27/1999DE19854647A1 Variable lens system with negative and positive lens groups
05/25/1999US5907433 Compact variable field of view optical system
05/18/1999US5905596 Telecentric projection lens system
05/11/1999US5903398 Zoom lens system
05/06/1999EP0913718A2 Zoom lens and image scanner using it
05/06/1999DE19850111A1 Magnifying lens assembly
05/04/1999US5900991 Compact wide-angle zoom lens system
05/04/1999US5900990 Zoom lens system
05/04/1999US5900989 Mini-zoom projection lenses for use with pixelized panels
05/04/1999US5900988 Viewfinder having a high magnification ratio
05/04/1999US5900987 For forming an image of an object
05/04/1999US5899585 Compact wide-angle zoom lens
04/1999
04/29/1999WO1999021043A1 Infra-red imaging systems and other optical systems
04/29/1999WO1999008134A3 Ultra-broadband uv microscope imaging system with wide range zoom capability
04/27/1999US5898525 Zoom lens with long back focus
04/22/1999DE19848625A1 Vario lens for compact camera
04/15/1999WO1999018467A1 Zoom lens system having imaging and non-imaging ranges
04/08/1999DE19845485A1 Soft focus variofocal lens system with negative front lens group and positive back lens group for single-reflex camera
04/07/1999CN1213085A Compact zoom lens system
04/06/1999US5892626 Zoom lens system
04/01/1999DE19837135A1 A focal zoom system for operating microscope
03/1999
03/30/1999US5889620 Finder optical system
03/30/1999US5889619 Zoom lens system
03/23/1999US5886829 Compact zoom lens with a large zoom ratio
03/23/1999US5886828 Zoom lens system
03/17/1999EP0799433A4 Variable power lens systems for producing small images
03/09/1999US5880892 Variable focal length lens system
03/04/1999WO1999010773A1 Lens mount extension and faceplate for camera
03/04/1999DE19838578A1 Lens attachment for movement blur correction e.g. in CCTV camera
03/03/1999CN1209560A Multifocal lens system
03/02/1999US5877901 Super wide-angle zoom lens
02/1999
02/23/1999US5875060 Zoom lens system
02/23/1999US5875059 Variable focal length lens system having a divergent front lens unit
02/18/1999WO1999008138A1 Zoom projection lens having a lens correction unit
02/18/1999WO1999008134A2 Ultra-broadband uv microscope imaging system with wide range zoom capability
02/16/1999US5872660 Taking lens system
02/16/1999US5872659 Zoom lens system
02/16/1999US5872658 Zoom lens system
02/10/1999CN1207503A Zoom lens device with zooming position detector
02/09/1999US5870232 Zoom lens arrangement including endless cam surface and plurality of cam followers
02/09/1999US5870231 Zoom lens system
02/09/1999US5870230 Zoom lens system
02/02/1999US5867326 Zoom lens
02/02/1999US5867325 Zoom lens ranging to wide angles
01/1999
01/27/1999EP0893725A1 High performance zoom lens system
01/27/1999EP0893724A1 Zoom lens
01/27/1999EP0893723A2 Zoom lens
01/26/1999US5864435 Compact wide-angle zoom lens
01/19/1999US5861986 Zoom finder optical system
01/13/1999EP0890861A2 Zoom lens
01/12/1999US5859729 Zoom lens device with four lens unit
01/05/1999US5856885 Zoom lens
01/05/1999US5855781 Monolithic ceramic filter
12/1998
12/22/1998US5852516 Dual purpose infrared lens assembly using diffractive optics
12/15/1998US5850577 Macro-photographing system in zoom lens camera
12/15/1998US5850312 Three-unit zoom lens
12/15/1998US5850310 Zoom device
12/08/1998US5847882 Rear focusing zoom lens
12/08/1998US5847875 Zoom lens
12/02/1998EP0881516A1 Lens capable of short distance photographing with vibration reduction function
12/01/1998US5844725 Zoom lens
12/01/1998US5844724 Wide angle zoom lens
11/1998
11/24/1998US5841588 Zoom lens system with vibration reduction means
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