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Class Information
Number: 359/783
Name: Optical: systems and elements > Lens > Multiple component lenses > Four components > First component negative > - + + + arrangement
Description: Subject matter wherein the plus and minus signs indicate convergent and divergent lens components, respectively.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7538958 |
Wide-angle lens |
May. 26, 2009 |
| 7471465 |
Optical apparatus |
Dec. 30, 2008 |
| 7417800 |
Zoom lens system |
Aug. 26, 2008 |
| 7239457 |
Wide angle lens system and camera |
Jul. 3, 2007 |
| 7227696 |
Zoom lens and image pickup apparatus having the same |
Jun. 5, 2007 |
| 7212348 |
Compact zoom lens system |
May. 1, 2007 |
| 6994668 |
Four-group endoscope objective lens |
Feb. 7, 2006 |
| 6985309 |
Imaging lens |
Jan. 10, 2006 |
| 6970298 |
Zoom lens system and image capture apparatus having the same |
Nov. 29, 2005 |
| 6867933 |
Image-taking apparatus, and camera and camera system incorporating it |
Mar. 15, 2005 |
| 6825993 |
Wide-angle lens having aspheric surface |
Nov. 30, 2004 |
| 6417975 |
Taking lens system |
Jul. 9, 2002 |
| 6301058 |
Wide-angle lens |
Oct. 9, 2001 |
| 6239921 |
Taking lens system |
May. 29, 2001 |
| 6088169 |
Wide-angle zoom lens |
Jul. 11, 2000 |
| 6069750 |
Wide-field eyepiece |
May. 30, 2000 |
| 5999337 |
Lens system for electronic photography |
Dec. 7, 1999 |
| 5777797 |
Objective lens system for endoscopes having an image transfer optical fiber bundle |
Jul. 7, 1998 |
| 5724190 |
Objective lens for endoscope |
Mar. 3, 1998 |
| 5703724 |
Objective lens system for endoscope |
Dec. 30, 1997 |
| 5612823 |
Wide-field eyepiece with inside focus |
Mar. 18, 1997 |
| 5587839 |
Objective lens system for endoscope |
Dec. 24, 1996 |
| 5504618 |
Extreme wide angle, very large aperture, compact, UV imaging lens |
Apr. 2, 1996 |
| 5371626 |
Wide angle binocular system with variable power capability |
Dec. 6, 1994 |
| 5257129 |
Real image type variable magnification viewfinder optical system |
Oct. 26, 1993 |
| 5198931 |
Objective optical system for endoscopes |
Mar. 30, 1993 |
| 4984878 |
Ojective lens for endoscope |
Jan. 15, 1991 |
| 4504126 |
Digital plate maker system and method |
Mar. 12, 1985 |
| 4493537 |
Objective lens system for endoscopes |
Jan. 15, 1985 |
| 4472034 |
Optical read-out lens system for optically recorded disks |
Sep. 18, 1984 |
| 4279476 |
Objective lens system for microscopes |
Jul. 21, 1981 |
| 4059344 |
Retrofocus-type objective for endoscopes |
Nov. 22, 1977 |
| 3936154 |
Short focal length large aperture optical system |
Feb. 3, 1976 |
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