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Class Information
Number: 359/744
Name: Optical: systems and elements > Lens > Afocal (e.g., galilean telescopes, etc.)
Description: Subject matter wherein the components of the lens are so shaped and spaced along the optical axis of the lens that the total refracting power of the lens is zero, i.e., parallel light rays, upon entering the lens and passing through all components thereof are so refracted that they emerge from the lens as parallel rays.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619833 |
Lens system and projector utilizing the same |
Nov. 17, 2009 |
| 7595939 |
Imaging lens |
Sep. 29, 2009 |
| 7564620 |
Optical arrangement and method for the imaging of depth-structured objects |
Jul. 21, 2009 |
| 7511896 |
Telescopes for simultaneous clear viewing of objects and areas both near and distant |
Mar. 31, 2009 |
| 7477451 |
Devices and methods for providing wide field magnification |
Jan. 13, 2009 |
| 7369334 |
Optical device with alignment compensation |
May. 6, 2008 |
| 7339750 |
Focusing a laser beam |
Mar. 4, 2008 |
| 7177093 |
Afocal zoom system |
Feb. 13, 2007 |
| 7072124 |
Light-weight high resolution viewer |
Jul. 4, 2006 |
| 6888672 |
Reflector telescope |
May. 3, 2005 |
| 6853494 |
Zoom system |
Feb. 8, 2005 |
| 6816321 |
Afocal zoom for use in microscopes |
Nov. 9, 2004 |
| 6683731 |
Bonding apparatus |
Jan. 27, 2004 |
| 6621986 |
Optical lens arrangement |
Sep. 16, 2003 |
| 6542310 |
Wide converter lens |
Apr. 1, 2003 |
| 6493152 |
Wide converter lens |
Dec. 10, 2002 |
| 6424460 |
Dual field-of-view objects system for the infrared |
Jul. 23, 2002 |
| 6392804 |
Image-blur correcting viewing-optical system |
May. 21, 2002 |
| 6388821 |
Lens-based image reversion system |
May. 14, 2002 |
| 6320702 |
Afocal zoom lens, and microscope having the lens |
Nov. 20, 2001 |
| 6163413 |
Light-weight three-element clinical viewer |
Dec. 19, 2000 |
| 6141146 |
Night vision goggle with improved optical system |
Oct. 31, 2000 |
| 6104533 |
Viewfinder with diffractive optical element |
Aug. 15, 2000 |
| 6061189 |
Through-the-lens binocular viewer |
May. 9, 2000 |
| 6049434 |
Afocal telescopes |
Apr. 11, 2000 |
| 6039445 |
Afocal water-air lens with greatly reduced lateral color aberration |
Mar. 21, 2000 |
| 5982556 |
Optical system and lens element for view finder |
Nov. 9, 1999 |
| 5955243 |
Illumination optical system and method of manufacturing semiconductor devices |
Sep. 21, 1999 |
| 5790323 |
Light-weight high-magnification clinical viewer |
Aug. 4, 1998 |
| 5715090 |
Color corrected viewfinder including a negative power lens component having a diffractive surface |
Feb. 3, 1998 |
| 5687034 |
Mounting adapter for coupling an optical device to a night vision device |
Nov. 11, 1997 |
| 5671092 |
Reverse Galilean finder with projected front window |
Sep. 23, 1997 |
| 5627690 |
Light-weight three-element clinical viewer |
May. 6, 1997 |
| 5589976 |
Telescope with rear converter and rear conversion lens and telescope |
Dec. 31, 1996 |
| 5546228 |
Re-imaging optical system |
Aug. 13, 1996 |
| 5515209 |
Light-weight high-magnification clinical viewer |
May. 7, 1996 |
| 5483381 |
Reversed galilean finder optical system |
Jan. 9, 1996 |
| 5463500 |
Light-weight three-element clinical viewer |
Oct. 31, 1995 |
| 5455711 |
Magnification lens coupling device for a night vision assembly |
Oct. 3, 1995 |
| 5414551 |
Afocal optical system and multibeam recording apparatus comprising the same |
May. 9, 1995 |
| 5394272 |
High-magnification wide-field-of-view telemicroscopic lens configuration |
Feb. 28, 1995 |
| 5353165 |
One piece viewfinder and fabrication process |
Oct. 4, 1994 |
| 5331460 |
Optical rotation device |
Jul. 19, 1994 |
| 5278695 |
Magnifier |
Jan. 11, 1994 |
| 5270859 |
Optical instrument with micro-lenses |
Dec. 14, 1993 |
| 5223974 |
Collimator for binocular viewing system |
Jun. 29, 1993 |
| 5221992 |
Door viewer including inner tube encasing object lenses and ocular lens and including a rubberized flexible hood |
Jun. 22, 1993 |
| 5204774 |
Night vision goggle with improved optical system |
Apr. 20, 1993 |
| 5189560 |
Sighting telescope for simultaneous viewing of target and sight |
Feb. 23, 1993 |
| 5165774 |
Fiberoptic wide-angle illuminating device |
Nov. 24, 1992 |
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