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)
06/1998
06/09/1998US5764419 Telecentric zoom lens
06/02/1998US5760971 Zoom lens system
06/02/1998US5760970 Zoom lens of high magnification
06/02/1998US5760969 Compact high-performance zoom lens
06/02/1998US5760968 Zoom lens capable of focussing at close range
06/02/1998US5760967 Zoom lens
06/02/1998US5760966 Zoom lens
06/02/1998US5760958 Compact zoom lens with antivibration function
06/02/1998US5760957 Zoom lens having the vibration-reduction function
05/1998
05/27/1998EP0843837A1 Fibre optic device for homogenising a laser beam
05/27/1998EP0843836A1 Optical device for homogenising a laser beam
05/26/1998US5757556 Zoom lens
05/26/1998US5757555 Internal focusing type telephoto lens
05/26/1998US5757554 Zoom lens
05/26/1998US5757549 Variable focal position optical system and light beam scanning apparatus
05/26/1998US5757543 Keplerian variable magnification finder
05/20/1998EP0843190A2 Modular infrared Kepler telescope
05/20/1998DE19751282A1 Tele-varioobjective with four groups of lenses having varying powers of refraction
05/20/1998CN2282197Y Laser photoetching projection objectine capable of changing multiplying power
05/19/1998US5754346 Zoom lens
05/13/1998EP0841585A1 Zoom lens unit
05/12/1998US5752095 Magnification change-over device for camera
05/12/1998US5751498 Zoom lens system
05/12/1998US5751497 Zoom lens
05/12/1998US5751496 Zoom lens of rear focus type
05/12/1998US5751485 Lens capable of short distance photographing with vibration reduction function
05/06/1998CN1180844A Compact wide-angle zoom lens system
05/05/1998US5749008 Eyepiece
05/05/1998US5748386 Zoom lens barrel including a mechanism for moving lens groups
05/05/1998US5748385 Objective lens for variable field angle endoscope
05/05/1998US5748384 Zoom lens
05/05/1998US5748383 Variable focal length optical system
05/05/1998US5748381 Real image type zoom finder optical system
04/1998
04/29/1998CN2280296Y High precision varifocal device
04/28/1998US5745303 Zoom lens system
04/28/1998US5745302 Inverted Galilean type zoom finder lens system
04/28/1998US5745301 Variable power lens systems for producing small images
04/28/1998US5745300 Zoom lens of the inner focus type
04/28/1998US5745299 Zoom lens system
04/28/1998US5745298 Zoom lens system
04/22/1998CN2279630Y Zoomlens using for slide projector
04/21/1998USRE35775 Zoom lens with short back focal length
04/14/1998US5739964 Projection lens assembly
04/14/1998US5739961 Zoom lens
04/14/1998US5739960 Zoom lens device with five lens units
04/14/1998US5739953 Optical system capable of correcting image position
04/08/1998EP0834756A2 Zoom lens system
04/08/1998EP0688439A4 Wide angle binocular system with variable power capability
04/08/1998CN2278227Y 小型照相机变焦镜头 Small camera lens
04/08/1998CN1178329A Focusable optic system
04/07/1998US5737129 Wide-angle zoom lens
04/07/1998US5737128 Zoom lens device with inner focusing method
04/07/1998US5737127 System of focusing zoom lens
04/07/1998US5737119 Thermal imaging device
03/1998
03/31/1998US5734510 Zoom lens
03/31/1998US5734509 Zoom lens system
03/31/1998US5734508 High-magnification wide-angle zoom lens
03/26/1998DE19742172A1 Variable lens system for video camera or digital camera
03/25/1998CN1177115A Mini-Zoom projection lenses for use with pixelized panels
03/24/1998US5731914 Zoom lens
03/24/1998US5731911 Zoom lens system
03/24/1998US5731910 Optical system with variable image scale
03/24/1998US5731897 Zoom lens with an image stabilizing function
03/18/1998CN1176397A Variable-focus optical system
03/17/1998US5729392 Compact zoom lens system
03/10/1998US5727236 Wide angle, deep field, close focusing optical system
03/10/1998US5726814 Multiple field of view changing apparatus for an optical system
03/10/1998US5726811 Compact zoom lens system
03/10/1998US5726810 Compact zoom lens
03/10/1998US5726809 Camera system and an optical adapter to reduce image format size
03/10/1998US5726799 Real image type viewfinder
03/05/1998DE19737122A1 Zoom lens for video projector
03/03/1998US5724193 Super wide angle zoom lens
03/03/1998US5724192 Wide-angle zoom lens
02/1998
02/25/1998EP0825474A2 Mini-zoom projection lenses for use with pixelized panels
02/24/1998US5721643 Zoom lens system
02/24/1998US5721642 Zoom lens
02/24/1998US5721641 Zoom lens capable of correcting image position movement
02/24/1998US5721638 Wide-angle variable magnification viewfinder
02/17/1998US5719708 Zoom lens system
02/17/1998US5719703 Optical system capable of correcting image position
02/10/1998US5717527 Zoom lens
02/10/1998US5717526 Variable focal length optical system
02/10/1998US5717525 Zoom lenses
02/10/1998US5717521 Super wide-angle variable magnification view finder
02/04/1998EP0822434A2 Variable magnification optical system and image pickup apparatus using the same
02/03/1998US5715097 Zoom lens
02/03/1998US5715096 Zoom lens
02/03/1998US5715088 Zoom lens system with function of reducing image vibration
01/1998
01/27/1998US5712733 Zoom lens of rear focus type
01/27/1998US5712727 Real-image zoom finder
01/27/1998US5712720 Lens switching apparatus for dual-lens optical scanner
01/20/1998US5710670 Wide angle zoom lens system
01/20/1998US5710669 Wide-angle zoom lens
01/14/1998EP0788612A4 Beamsplitter in single fold optical system and optical variable magnification method and system
01/07/1998EP0815481A2 Magnification correction for small field scanning
01/07/1998CN1036947C Image Pickup optical system
01/06/1998US5706138 Zoom lens system having a high zoom ratio
12/1997
12/30/1997US5703727 For enhancing the visual projection of an object
12/30/1997US5703725 Compact high-performance zoom lens
1 ... 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 ... 120