G02B 15 - Optical objectives with means for varying the magnification

Patents for G02B 15 - Optical objectives with means for varying the magnification (11,929)
01/2003
01/01/2003	CN1388907A Zoom lens device, optical device comprising the same, and projector
01/01/2003	CN1097740C Multifocal lens system
12/2002
12/26/2002	US20020196560 Zoom lens and optical instrument using the same
12/26/2002	US20020196559 Zoom lens system
12/24/2002	US6498688 Zoom lens system
12/24/2002	US6498687 Zoom lens and optical apparatus having the same
12/19/2002	US20020191306 Wide-angle three-group zoom lens
12/19/2002	US20020191305 Ocular zoom lens
12/19/2002	US20020191304 Zoom lens, and its manufacturing method
12/19/2002	US20020191303 Rear conversion lens
12/19/2002	US20020191302 Mount conversion adaptor lens
12/19/2002	US20020191169 Projection optical system and projection and light exposure apparatus using it
12/18/2002	CN1096624C 变焦距透镜筒 Zoom lens barrel
12/17/2002	US6496310 Optical system and optical apparatus provided with the same
12/11/2002	EP1265091A2 Zoom lens and camera having the same
12/11/2002	EP1265090A2 Optical system having variable focal length
12/11/2002	CN1384383A Projecting zoom lens
12/10/2002	US6493152 Wide converter lens
12/10/2002	US6493150 Real image mode variable magnification finder
12/10/2002	US6493142 Zoom lens and photographing apparatus having it
12/10/2002	US6493138 Microscopic optical system
12/05/2002	WO2002067016A3 Photographic camera support device
12/05/2002	WO2002001270A3 Method and apparatus for close-up imaging in a mobile imaging system
12/05/2002	US20020181120 Wide-angle zoom lens and projection-type display unit using it
12/05/2002	US20020181094 Optical module for increasing magnification of microscope
12/05/2002	US20020181093 Multi-beam zoom lens for producing variable spot sizes for a laser printer
12/05/2002	US20020179519 Monolithic ceramic filter
12/04/2002	CN1383019A Vari-focus lens system
12/04/2002	CN1383018A Vari-focus lens system
12/03/2002	US6490096 Achromatic lens and zoom lens using the same
11/2002
11/28/2002	US20020176177 Wide-angle zoom lens
11/28/2002	US20020176175 Real image type zoom finder
11/26/2002	US6487024 Zoom lens system and photographic device equipped therewith
11/26/2002	US6487023 Zoom lens system and a zoom lens barrel therefor
11/21/2002	US20020171943 Close-up attachment lens
11/21/2002	US20020171942 Projection zoom lens
11/21/2002	DE10123155A1 Zoom objective for aerospace camera employing non-achromatic lens, employs beam splitters and RGB filters to form individually-focused images
11/20/2002	EP1257863A1 Optical systems for digital cameras
11/20/2002	EP0688439B1 Wide angle binocular system with variable power capability
11/19/2002	US6483649 Zoom lens system
11/19/2002	US6483648 Zoom lens
11/14/2002	US20020167736 Zoom lens system
11/14/2002	DE10220607A1 Vario lens system contains, first, second, third and fourth lens groups with focal distance alteration being achieved by movement of each of the lens groups along the optical axis
11/12/2002	US6480343 Diopter adjusting device
11/12/2002	US6480342 Zoom lens system
11/12/2002	US6480341 Variable focal length lens system
11/12/2002	US6480340 Zoom lens
11/12/2002	US6478730 Zoom laparoscope
11/07/2002	WO2002088823A1 Optical beam delivery configuration
11/07/2002	US20020163736 Zoom lens system and optical apparatus using the same
11/07/2002	DE10028489C2 Varioobjektiv Zoom lens
11/06/2002	EP1255145A1 Four-group zoom lens for projection
11/05/2002	US6476977 Zoom lens and optical apparatus
11/05/2002	US6476962 Multi-beam zoom lens for producing variable spot sizes for a laser printer
10/2002
10/31/2002	US20020159772 Finder optical system and camera having the system
10/31/2002	US20020159164 Zoom optical system and camera comprising the same
10/31/2002	DE10210241A1 Weitwinkel-Dreigruppen-Zoomobjektiv Wide-angle three-group zoom lens
10/30/2002	CN2519296Y Variable focus lens controlled by external curve plate
10/30/2002	CN1093643C Offset zoom lens for reflective light modulators
10/30/2002	CN1093642C Mini-focal optical lens
10/29/2002	US6473566 Lens system and camera system composed of camera provided with lens system
10/29/2002	US6473231 Variable magnification optical system having image stabilizing function
10/29/2002	US6471359 Projection lens of projection display apparatus
10/24/2002	US20020154908 Zoom lens and optical apparatus using the same
10/24/2002	US20020154415 Image pickup system
10/24/2002	US20020154409 Zoom lens having an image stabilizing function
10/24/2002	US20020154276 Zoom lens device, optical device comprising the same, and projector
10/22/2002	US6467912 Projection optical system and projection apparatus
10/22/2002	CA2212691C Fast aspherical zoom lens system
10/17/2002	WO2002082158A1 Zoom lens and electronic still camera using it
10/17/2002	US20020149857 Zoom lens
10/17/2002	US20020149692 Zoom lens and photographing system
10/16/2002	CN1374544A Varifocus lens and optical apparatus with the same vari focus lens
10/10/2002	US20020145810 Zoom lens system
10/10/2002	US20020145809 Projection lens
10/08/2002	US6462887 Zoom lens barrel structure of zoom camera
10/08/2002	US6462886 Taking lens device
10/08/2002	US6462885 Zoom lens and photographing apparatus having the same
10/03/2002	US20020141073 Zoom lens system
10/02/2002	EP1166164B1 Zoomable beamspreader with matched optical surfaces for non-imaging illumination applications
10/01/2002	US6459537 Zoom lens barrel and camera
10/01/2002	US6459536 Zoom lens system, and image pickup system using the same
10/01/2002	US6459535 Zoom lens system and image pickup apparatus using same
10/01/2002	US6459530 Small-sized variable magnification optical system
09/2002
09/26/2002	US20020136150 Image pickup apparatus
09/26/2002	DE10212171A1 Vario-objective system of negative positive and negative lens groups changes focal length by adjusting lens grooves along optical axis with specified focal length amd magnification conditions.
09/24/2002	US6456443 Zoom lens system
09/24/2002	US6456442 Zoom lens system and a focusing method thereof
09/24/2002	US6456441 Zoom lens and photographing apparatus having the same
09/19/2002	US20020131184 Zoom lens system, image projecting and image pick-up devices using the same
09/19/2002	US20020131173 Zoom lens and optical apparatus using the same
09/17/2002	US6452733 Lens fixture
09/17/2002	US6452730 Zoom lens system
09/17/2002	US6452729 Taking lens device
09/17/2002	US6452727 Projection lens
09/17/2002	CA2192626C Super wide-angle zoom lens
09/12/2002	US20020126397 Optical system and optical apparatus provided with the same
09/12/2002	US20020126393 Variable-focus lens system
09/10/2002	US6449433 Taking lens device
09/10/2002	US6449101 Projection zoom lens with a long back focal length and exit pupil position

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