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)
07/2000
07/11/2000US6088169 Wide-angle zoom lens
07/04/2000US6084727 All-reflective field-switching optical imaging system
07/04/2000US6084722 Zoom lens of rear focus type and image pickup apparatus
07/04/2000US6084721 Zoom lens
07/04/2000US6084720 Small-sized real image mode zoom finder
06/2000
06/29/2000DE19962704A1 Focussing variable focus lens for compact camera, has three lens groups arranged in telephoto arrangement with two groups moved together for in-focus setting
06/29/2000DE19962699A1 Variable focus lens for compact camera, with negative first lens group, positive second lens group and negative third lens group
06/29/2000DE19962210A1 Variable focus lens for compact camera, with first sub-lens group having a positive and a negative lens and second sub-lens group with positive lens and cemented optics with positive and negative lenses
06/29/2000DE19962207A1 Vario-objective for cameras comprizes first and third positive lens groups and interposed negative lens group adjusting along optical axis to set focal length assisted by deflecting mirror between second and third lens groups.
06/28/2000CN2385348Y Magnifying glass with angle-adjusting lamp
06/27/2000US6081391 Lens barrel
06/27/2000US6081389 Zoom lens of retrofocus type
06/27/2000US6081385 Optical system design and production method
06/22/2000WO2000013568A9 Zoom laparoscope
06/21/2000EP1010022A1 Zoom projection lens having a lens correction unit
06/20/2000US6078435 Zoom lens system
06/20/2000US6078434 Zoom lens system
06/20/2000US6078433 Zoom lens system
06/20/2000US6078432 Zoom lens
06/20/2000US6078411 Real-image finder optical system and apparatus using the same
06/15/2000WO2000034816A1 Image generation system
06/13/2000US6075654 Three-group zoom lens
06/13/2000US6075653 Projecting zoom lens system and projector apparatus
06/13/2000US6075646 Observation optical apparatus
06/13/2000US6075645 Real-image finder optical system
06/13/2000US6075241 Scanning module with two oppositely movable lenses for changing scan resolution
06/06/2000US6072638 Zoom lens system
06/06/2000US6072637 Zoom lens system
06/06/2000US6072636 Anamorphic attachment lens
06/06/2000US6072519 Dual resolution printer
05/2000
05/31/2000CN1255206A Optical imaging system and graphic user interface
05/30/2000US6069743 Zoom lens system
05/25/2000WO2000030348A1 Optical adapter for mounting camera lenses on a video camera
05/23/2000US6067196 Zoom lens system
05/23/2000US6066857 Variable focus optical system
05/17/2000EP1000371A2 Ultra-broadband uv microscope imaging system with wide range zoom capability
05/16/2000US6064531 Zoom lens system
05/10/2000CN1252533A Optical system and optical device with said system
05/09/2000US6061187 Zoom lens system with a high zoom ratio
05/09/2000US6061186 Zoom lens
05/09/2000US6061185 Projection lens having all glass lenses in a second lens group
05/09/2000US6061180 Zoom lens
05/09/2000US6061175 Multi-focal-ratio reflector telescopes
05/03/2000EP0996863A1 System for directly controlling the movement of a zoom system in a stereomicroscope
05/02/2000US6058269 Oscillation isolating attachment lens system
05/02/2000US6057964 Process for imaging image points of a video picture and associated apparatus
05/02/2000US6057960 Modular infrared Kepler telescope
04/2000
04/27/2000DE19951510A1 Variable lens system for reflex cameras comprizes three lens groups and interposed diaphragm whose lens groups move on focus change to satisfy formulated conditions.
04/27/2000DE19951508A1 Wide-angle variable lens system for reflex cameras comprizes first negative and second and third positive lens groups with diaphragm between using specified group intervals for focal length settings.
04/26/2000CN1051849C 变焦镜头 Zoom
04/25/2000US6055346 Fibre optic device for homogenizing a laser beam
04/25/2000US6055114 Zoom lens optical system
04/19/2000EP0994372A1 Zoom lens
04/18/2000US6052235 Telephoto zoom lens
04/18/2000US6052225 Variable magnification viewfinder
04/11/2000US6049431 Zoom lens
04/04/2000US6046862 Zoom lens system
04/04/2000US6046861 Zoom lens system having imaging and non-imaging ranges
04/04/2000US6046852 Lens system with image blur correction
03/2000
03/29/2000EP0989433A2 Optical system and optical apparatus having the same
03/28/2000US6043939 Three-group zoom lens
03/28/2000US6043938 Vari-focal lens system
03/23/2000WO2000016147A1 Variable focus optical system
03/21/2000US6041193 Real-image zoom finder with rotationally asymmetric surface
03/21/2000US6040949 Simple wide-angle zoom lens
03/21/2000US6040948 Three-group zoom lens having a first positive refracting lens group, a second positive refracting lens group and a third negative refracting lens group
03/16/2000WO2000013568A1 Zoom laparoscope
03/14/2000US6038084 Zoom lens system
03/14/2000US6038083 Compact zoom lens
03/14/2000US6038082 Wide-angle zoom lens
03/14/2000US6038081 Zoom lens having plastic lens in first lens group
03/07/2000US6035145 Real-image variable magnification view finder
03/07/2000US6034816 Real image zoom finder
02/2000
02/29/2000US6031669 Zoom lens
02/22/2000US6028718 Zoom lens barrel
02/22/2000US6028717 Zoom lens system
02/22/2000US6028716 Zoom lens
02/22/2000US6028715 Variable magnification optical system
02/22/2000US6028714 Zoom lens
02/17/2000DE19927577A1 Camera optical attachment for photographic or video camera uses relay system between camera objective lens and camera housing for imaging subject image onto film
02/16/2000CN1244926A Hybrid projection lenses for use with pixelized panels
02/15/2000US6025962 Zoom lens with an anti-vibration function
02/15/2000US6025961 Zoom lens system having two lens units
02/15/2000US6025960 Zoom optical system
02/08/2000US6023375 Projection lenses for use with large pixelized panels
02/02/2000EP0976003A1 Optical imaging system and graphic user interface
02/01/2000US6021004 Reflecting type of zoom lens
01/2000
01/26/2000EP0974859A2 Zoom projection lens systems
01/26/2000CN2360858Y Screen enlarger
01/20/2000DE19932952A1 Zoom lens for compact camera has a two group construction with a positive power object side group which includes bonded elements and a negative power image side group
01/18/2000US6016228 Zoom lens system
01/13/2000DE19931289A1 Variable focus lens with object and picture side lens groups for single lens reflex camera
01/11/2000US6014455 Projection exposure apparatus and device manufacturing method
01/11/2000US6014268 Two-group small zoom lens
01/11/2000US6014267 Variable magnification optical system
01/11/2000US6014266 Zoom lens focusing system and method
01/11/2000US6014265 Zoom optical system
01/11/2000US6014260 Optical device for homogenizing a laser beam
01/05/2000DE19930568A1 Supplementary lens for focusing pair of binoculars on nearby object
01/04/2000US6011658 Compact zoom lens system
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