Patents
Patents for G02B 15 - Optical objectives with means for varying the magnification (11,929)
06/1997
06/10/1997US5638216 Zoom lens
06/10/1997US5638215 Objective lens system
06/10/1997US5638210 Zoom lens having a vibration correcting optical system
06/05/1997DE19649677A1 Variable focus lens, especially for frame camera
06/04/1997EP0776575A1 Method of imaging points in a video image, and a device for carrying out the method
06/03/1997US5636061 Zoom lens
06/03/1997US5636060 Zoom lens
05/1997
05/28/1997EP0571608B1 Zoom lens system for use in a compact camera
05/27/1997US5633760 Zoom lens
05/27/1997US5633759 Zoom lens system
05/27/1997US5633758 Variable magnification lens system
05/21/1997CN1150252A Wide-angle zoom lens
05/20/1997US5631775 Zoom lens system
05/14/1997EP0773460A2 Image pickup lens system for a video camera
05/13/1997US5630181 Variable focal length optical system
05/06/1997US5627682 Zoom lens system
05/06/1997US5627681 Zoom lens
05/06/1997US5627677 Rear conversion lens with vibration-reduction function
05/06/1997US5627618 Compact high-zoom-ratio real-image finder
04/1997
04/30/1997DE19644493A1 Widely-adjustable lens unit
04/30/1997DE19643569A1 Viewfinder with variable magnification
04/30/1997CN1148691A Real-image type changeable focal power viewer
04/23/1997CN1148180A Zoom lens
04/22/1997US5623371 Macro lens system
04/22/1997US5623364 Vibration-proof optical system
04/17/1997DE19642279A1 Quick acting wide angle zoom lens system e.g. for compact camera
04/17/1997DE19640976A1 Zoom system for projecting laser beam from fixed entry plane
04/09/1997CN1147097A Zoom lens
04/08/1997US5619381 Offset zoom lens for reflective light modulators
04/03/1997DE19635792A1 Zoom device comprises several lenses
04/02/1997EP0766114A2 Zoom lens
04/01/1997US5617257 Variable focus adapter
04/01/1997US5617254 Compact zoom lens
04/01/1997US5617253 Zoom lens
03/1997
03/25/1997US5615051 Bright triplet
03/18/1997US5612825 Zoom lens
03/18/1997US5612817 Zoom system for at least two stereoscopic viewing beam paths
03/12/1997EP0762173A2 Thermal imaging device
03/11/1997US5610769 Internal focusing telephoto lens system
03/11/1997US5610767 Zoom lens system with small numbers of lenses and wide viewing angle
03/11/1997US5610766 Zooming lens system
03/11/1997US5610758 Variable focal position optical system and light beam scanning apparatus
02/1997
02/27/1997WO1997007424A1 Fibre optic device for homogenising a laser beam
02/27/1997WO1997007423A1 Optical device for homogenising a laser beam
02/27/1997CA2224997A1 Optical device for homogenizing a laser beam
02/25/1997US5606460 Zoom lens
02/25/1997US5606459 High magnification zoom lens
02/18/1997US5604637 Zoom lens
02/11/1997US5602682 Aberration correcting plate for interchangeable lens
02/11/1997US5602680 Finite conjugate distance zoom lens system
02/11/1997US5602676 Compact zoom lens with reduced aspheric decenter sensitivity
02/05/1997EP0757280A2 Zoom flash with transversely displaceable wave-lens elements for adjusting the scene coverage angle of the light beam
02/04/1997US5600496 Device for controlling a zoom lens
02/04/1997US5600491 Thermal imaging system for a military vehicle
02/04/1997US5600490 Zoom lens for projecting video image
02/04/1997US5600489 Copying zoom lens system
01/1997
01/28/1997US5598299 Photographic lens having image stabilizing function
01/28/1997US5598296 Prismatic telescope optical system
01/21/1997US5596453 Wide-angle zoom lens
01/14/1997US5594517 Enlargement photographing apparatus
01/08/1997EP0752605A2 Zoom lens device with inner focusing method
01/07/1997US5592334 Zoom lens system
01/02/1997EP0751414A2 Zoom lens
01/02/1997DE19522698A1 Verfahren zum Abbilden von Bildpunkten eines Videobildes und eine dazugehörige Vorrichtung A method of imaging pixels of a video image and an associated device
12/1996
12/31/1996US5589988 Retrofocus-type wide angle lens system having a fixed front lens group and a movable rear lens group
12/31/1996US5589986 Zoom lens
12/31/1996US5589976 Telescope with rear converter and rear conversion lens and telescope
12/31/1996US5589896 Adjustable indirect ophthalmoscopy lens
12/31/1996US5588769 For a continuously operating zoom system of a microscope
12/27/1996EP0750205A1 Objective lens system
12/24/1996US5587841 Zoom lens system
12/24/1996US5587840 Zoom lens
12/23/1996WO1997001248A1 Method of imaging points in a video image, and a device for carrying out the method
12/23/1996CA2192094A1 Process for imaging image points of a video picture and associated apparatus
12/21/1996CA2178787A1 Objective lens system
12/19/1996DE4042554C2 Camera zoom lens system
12/17/1996US5585971 Small-sized variable magnification lens
12/17/1996US5585970 Zoom lens with high zoom ratio
12/17/1996US5585969 Zoom lens
12/17/1996US5585966 Zoom lens with vibration reduction function
12/17/1996US5585965 Zoom viewfinder system for single reflex camera
12/10/1996US5583701 Zoom lens system
12/10/1996US5583700 Zoom lens
12/10/1996US5583699 Rear-focus zoom lens system
12/10/1996US5583698 Aspherical zoom lens
12/10/1996US5583697 Rear-focus type zoom lens with movable second and fourth lens units for zooming and focusing
12/05/1996WO1996029631A3 Magnification correction for small field scanning
12/05/1996DE19621777A1 Sucher mit variabler Vergrößerung Variable magnification viewfinder
12/04/1996EP0745879A2 Projection optical system
12/04/1996EP0745878A2 Zoom lens of rear focus type
12/03/1996CA2177758A1 Offset zoom lens for reflective light modulators
11/1996
11/26/1996US5579172 Zoom lens system
11/26/1996US5579171 Zoom lens equipped with the image stabilizing function
11/26/1996US5579168 Zoom lens system with gradient index lens
11/19/1996US5576892 Variable power optical system
11/19/1996US5576891 Zoom lens using a first lens group having a positive focal length and a second lens group having a negative focal length
11/19/1996US5576890 Zoom lens
11/19/1996US5576889 Real-image zoom finder optical system
11/19/1996US5576888 Wide angle binocular system with variable power capability
11/19/1996US5576779 Camera system