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)
01/2001
01/31/2001CN1281994A Optical instrument
01/30/2001US6181484 Compact two-group wide-angle zoom lens
01/30/2001US6181483 Wide-angle lens with long back focus
01/30/2001US6179447 Strobe light distribution lens and zoom strobe
01/24/2001CN1281152A Zoom lens with 3D curved rod
01/23/2001US6178050 Zoom lens system
01/23/2001US6178049 Zoom lens
01/16/2001US6175453 Zoom lens
01/09/2001US6172819 Zoom lens system
01/09/2001US6172818 Zoom lens system
01/09/2001US6172805 Poly-powered optical system
01/03/2001CN1278925A Wide field of view projection lenses for compact projection lens systems employing pixelized panels
01/02/2001US6169853 Zooming optical system
01/02/2001US6169636 Focus corrector for zoom projection lenses used with pixelized panels
01/02/2001US6169635 Zoom lens system
12/2000
12/26/2000US6166864 Zoom lens and optical apparatus using the same
12/26/2000US6166863 Zoom lens optical system
12/26/2000US6166862 Designing method of zoom optical system
12/19/2000US6163411 Lens system and image pickup apparatus
12/19/2000US6163410 Optical system
12/19/2000US6163400 Variable magnification optical system and image pickup apparatus using the same
12/14/2000DE10028605A1 Zoom lens system with three or more lens groups and a procedure for its alignment that allows mid-length focal length adjustments to be made precisely as well as short and long focal length adjustments
12/12/2000US6160670 Camera
12/12/2000US6160669 Lens system
12/12/2000US6160668 Optical systems
12/05/2000US6157496 Zoom lens system adapted for use in a digital still camera
12/05/2000US6157495 Afocal zoom lens system for stereoscopic microscopes
12/05/2000US6157494 Zoom lens system using a diffractive optical element and image pickup device using the same
12/05/2000US6157493 Zoom lens
11/2000
11/29/2000CN1274858A Lens of variable focal length
11/28/2000US6154323 Zoom lens system using a diffractive optical element
11/28/2000US6154322 Zoom lens and photographing apparatus having the same
11/28/2000US6154314 Real image mode variable magnification finder
11/22/2000EP1054281A1 Zoom lens and video camera and electronic still camera using this
11/22/2000EP1054280A2 Zoom lens
11/21/2000US6151171 Zoom assembly having zoom lens with plurality of lens group that move together or differentially for zooming and focusing
11/21/2000US6151170 Dual purpose infrared lens assembly using diffractive optics
11/15/2000EP1052535A1 Zoom lens
11/15/2000CN1058574C Apparatus for controlling varifacus lens
11/14/2000US6147813 Zoom lens
11/14/2000US6147812 Projection zoom lens system and projector apparatus
11/14/2000US6147811 Image reading apparatus
11/14/2000US6147810 Zoom lens having focusing subunit in second lens unit and optical apparatus equipped with the same
11/09/2000WO2000067059A1 Projection lenses having reduced lateral color for use with pixelized panels
11/07/2000US6144506 Bi-stable optical actuator
11/07/2000US6142988 Zoom system for a laser slit lamp
10/2000
10/31/2000US6141157 Zoom lens
10/31/2000US6141156 Antivibration zoom lens
10/25/2000EP1046940A2 Zoom lens and video camera using the same
10/24/2000US6137957 Photo printing system and camera for the same
10/24/2000US6137638 Projection zoom lens system and projector apparatus
10/18/2000CN1057612C Compact zoom lens system
10/17/2000US6134052 Variable-power type observational optical system and a variable-power type eyepiece lens system
10/05/2000WO2000058771A1 Zoomable beamspreader with matched optical surfaces for non-imaging illumination applications
10/03/2000US6128140 Zoom lens system
10/03/2000US6128137 Image-forming optical system having a decentered optical element in a first lens group
09/2000
09/28/2000DE10014696A1 Variable focal length objective system has movable and fixed sub-groups that maintain first and second mutual separations in first and second variation regions
09/26/2000US6124987 Zoom Lens
09/26/2000US6124986 Zoom optical system and image pickup apparatus
09/26/2000US6124985 Zoom magnifier
09/26/2000US6124984 Variable magnification optical zoom lens system
09/26/2000US6124983 Zoom lens
09/26/2000US6124982 Zoom lens
09/26/2000US6124981 Attachment lens having diffraction surface
09/26/2000US6124972 Zoom lens having an image stabilizing function
09/19/2000US6122111 High performance zoom lens system
09/12/2000US6118600 Lens switch apparatus
09/12/2000US6118593 Zoom lens and optical apparatus having the same
09/12/2000US6118592 Zoom lens system
09/06/2000CN1265743A Zoom projection lens having lens correction unit
09/05/2000US6115188 Optical system and optical apparatus having the same
08/2000
08/30/2000EP1031050A1 Wide field of view projection lenses for compact projection lens systems employing pixelized panels
08/22/2000US6108146 Zoom assembly having an improved cam barrel
08/22/2000US6108137 Zoom lens system
08/22/2000US6108136 Wide-angle zoom lens system
08/17/2000WO2000016147A9 Variable focus optical system
08/16/2000CN1263272A Zoom lens system
08/15/2000US6104549 Zoom lens device with zooming position detector
08/15/2000US6104548 Zoom lens
08/15/2000US6104547 Zoom lens and optical apparatus having the same
08/15/2000US6104546 Athermalized focal length extender for a zoom lens having a split rear image-forming group
08/15/2000US6104537 Image-forming optical system having a decentered optical element in a first lens group
08/15/2000US6104532 Real image mode variable magnification finder optical system
08/15/2000US6104432 Compact image pickup lens system for a video camera
08/08/2000US6101045 Zoom lens system
08/08/2000US6101044 Zoom lens system
08/08/2000US6101043 Zoom lens system
08/08/2000US6101042 Zoom lens
08/08/2000US6101030 Real image mode variable magnification finder
08/02/2000EP1024387A2 Zoom lens having a long back focal length with vibration reduction function
08/02/2000EP1023624A1 Infra-red imaging systems and other optical systems
08/02/2000CN1261681A Zoom lens system
08/01/2000US6097547 Front converter lens system using a diffractive surface
07/2000
07/26/2000CN1054920C Zoom lens system
07/25/2000US6094314 Zoom lens system
07/25/2000US6094313 Zoom lens system
07/25/2000US6094312 Rear focusing zoom lens
07/19/2000EP1019768A1 Zoom lens system having imaging and non-imaging ranges
07/18/2000US6091901 Optical system and photographing apparatus having image stabilizing function
07/18/2000US6091551 Infrared zoom lens system
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