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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/646
Name: Optical: systems and elements > Lens > Eyepiece > Having two components
Description: Subject matter wherein the lens comprises two sections (i.e., components), each containing two refractive surfaces arranged in series along the optical axis of the lens with their optical centers in alignment thereon, their planes perpendicular to such axis, and their axially extreme refracting surfaces so spaced along the optical axis that parallel light rays upon entering and passing through all of such components are refracted to a focus no more than one time.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8503090 Zoom optical system, and imaging apparatus incorporating the same Aug. 6, 2013
8503089 Ocular lens and optical apparatus including ocular lens Aug. 6, 2013
8363341 Fixed-focus lens module Jan. 29, 2013
8223434 Imaging lens system with two lenses Jul. 17, 2012
8120859 Viewing optical system and imaging apparatus using the same Feb. 21, 2012
RE43089 Imaging system with a lens having increased light collection efficiency and a deblurring equalizer Jan. 10, 2012
8089706 Fixed-focus lens Jan. 3, 2012
8035086 Aberration correction apparatus that corrects spherical aberration of charged particle apparatus Oct. 11, 2011
7940466 Viewing optical system and imaging apparatus using the same May. 10, 2011
7804651 Flat field eyepiece Sep. 28, 2010
7605982 Image pickup system Oct. 20, 2009
7599121 Image pickup system Oct. 6, 2009
7593162 Image pickup system Sep. 22, 2009
7529031 Image pickup system May. 5, 2009
RE40563 Image pickup system Nov. 4, 2008
7236698 Imaging system Jun. 26, 2007
7215493 Imaging system with a lens having increased light collection efficiency and a deblurring equalizer May. 8, 2007
7180675 Viewfinder and image pickup apparatus Feb. 20, 2007
7161739 Optical system, optical device including the same, and optical device designing method Jan. 9, 2007
7106491 Split beam micromirror Sep. 12, 2006
7061684 Finder optical system and camera provided with the same Jun. 13, 2006
6980365 Diffractive lens optical design Dec. 27, 2005
6958863 Image pickup system Oct. 25, 2005
6853484 Relay optical system Feb. 8, 2005
6809875 Eyepiece optical system Oct. 26, 2004
6785054 Optical magnifier suitable for use with a microdisplay device Aug. 31, 2004
6724532 Dual-lens hybrid diffractive/refractive imaging system Apr. 20, 2004
6674583 Fabrication of unit lenses for compound refractive lenses Jan. 6, 2004
6570714 Precision composite article May. 27, 2003
6529335 Eyepiece lens system, telescope, binocular, and microscope Mar. 4, 2003
6496308 Relay optical system Dec. 17, 2002
6493150 Real image mode variable magnification finder Dec. 10, 2002
6480338 Eyepiece optical system and image display apparatus Nov. 12, 2002
6469836 Eyepiece Oct. 22, 2002
6424468 Eyepiece lens Jul. 23, 2002
6330115 Microscope eyepiece with 10.times. magnification Dec. 11, 2001
6249388 Eyepiece lens system Jun. 19, 2001
6130785 Eyepiece lens system Oct. 10, 2000
6101038 Infrared audio/video interface for head-mounted display Aug. 8, 2000
6094310 Eyepiece system having wide visual field Jul. 25, 2000
6057968 Eyepiece system May. 2, 2000
6052234 Viewfinder optical system Apr. 18, 2000
6038068 Aberration correction system and astronomical telescope having the same Mar. 14, 2000
6009564 Optically corrected goggle Jan. 4, 2000
5986817 Eyepiece lens Nov. 16, 1999
5986826 Drive device using electromechanical conversion element Nov. 16, 1999
5982556 Optical system and lens element for view finder Nov. 9, 1999
5982557 Ocular optical system for a viewfinder with variable visibility Nov. 9, 1999
5959782 Eyepiece system having wide visual field Sep. 28, 1999
5946505 Finder system for a single lens reflex camera Aug. 31, 1999

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