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Class Information
Number: 359/675
Name: Optical: systems and elements > Lens > Selective magnification by exchanging or adding a lens component > To the rear of a basic lens
Description: Subject matter wherein a lens component is exchanged or added to the image side (i.e., rear) of a basic lens for selective magnification.c
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616384 |
Zoom lens and imaging apparatus |
Nov. 10, 2009 |
| 7606478 |
Lens barrel suitable to be housed |
Oct. 20, 2009 |
| 7593163 |
Rear converter lens apparatus and taking system comprising the same |
Sep. 22, 2009 |
| 7411201 |
Projection objective for a microlithographic projection exposure apparatus |
Aug. 12, 2008 |
| 7310187 |
Projection objective, especially for microlithography, and method for adjusting a projection objective |
Dec. 18, 2007 |
| 7289272 |
Optical system including an anamorphic lens |
Oct. 30, 2007 |
| 7236305 |
Zoom lens and image pickup apparatus having the same |
Jun. 26, 2007 |
| 7209292 |
Projection objective, especially for microlithography, and method for adjusting a projection objective |
Apr. 24, 2007 |
| 7170689 |
Front converter lens |
Jan. 30, 2007 |
| 7057827 |
Zoom lens and pickup system |
Jun. 6, 2006 |
| 6995920 |
Anamorphic converter |
Feb. 7, 2006 |
| 6831730 |
Optical magnification adjustment system and projection exposure device |
Dec. 14, 2004 |
| 6738195 |
Optical magnification adjustment system and projection exposure device |
May. 18, 2004 |
| 6690518 |
Camera-attachment lens system |
Feb. 10, 2004 |
| 6654179 |
Wide converter lens system for both underwater and above-water use |
Nov. 25, 2003 |
| 6556355 |
Mount conversion adaptor lens |
Apr. 29, 2003 |
| 6556354 |
Optical adapter for mounting camera lenses on a video camera |
Apr. 29, 2003 |
| 6480339 |
Corrective lens for rifle scope |
Nov. 12, 2002 |
| 6400515 |
Taking optical system, image taking apparatus, and method for converting frame-format in a taking optical system |
Jun. 4, 2002 |
| 6373638 |
Image taking optical system and reduction optical system |
Apr. 16, 2002 |
| 6307683 |
Zoom lens |
Oct. 23, 2001 |
| 6288847 |
Attachment lens system |
Sep. 11, 2001 |
| 6212016 |
Telescopic objective lens system |
Apr. 3, 2001 |
| 6134389 |
Camera capable of varying size of image plane |
Oct. 17, 2000 |
| 6124981 |
Attachment lens having diffraction surface |
Sep. 26, 2000 |
| 6058269 |
Oscillation isolating attachment lens system |
May. 2, 2000 |
| 5801886 |
Image magnification apparatus |
Sep. 1, 1998 |
| 5765049 |
Optical apparatus having lens system change-over mechanism |
Jun. 9, 1998 |
| 5726809 |
Camera system and an optical adapter to reduce image format size |
Mar. 10, 1998 |
| 5589976 |
Telescope with rear converter and rear conversion lens and telescope |
Dec. 31, 1996 |
| 5499069 |
Camera system and an optical adapter to reduce image format size |
Mar. 12, 1996 |
| 5452133 |
Variator optical system |
Sep. 19, 1995 |
| 5349474 |
Rear converter lens |
Sep. 20, 1994 |
| 5253112 |
Rear conversion lens |
Oct. 12, 1993 |
| 5218475 |
Attachment lens system |
Jun. 8, 1993 |
| 5182671 |
Variable magnification optical system having a capability of stabilizing the image |
Jan. 26, 1993 |
| 5086355 |
Focal length changeable lens system |
Feb. 4, 1992 |
| 5082360 |
Compound zoom lens |
Jan. 21, 1992 |
| 5050971 |
Variable focal length photo-taking optical system |
Sep. 24, 1991 |
| 5032012 |
Rear converter lens system |
Jul. 16, 1991 |
| 4983026 |
Focal length changeable lens system |
Jan. 8, 1991 |
| 4913537 |
Vari-focal lens system with switchable auxiliary lens units |
Apr. 3, 1990 |
| 4900141 |
Rear conversion lens |
Feb. 13, 1990 |
| 4871238 |
Photographic optical device with variable magnification |
Oct. 3, 1989 |
| 4832470 |
Inverted galilean telescope type viewfinder system capable of changing over the magnification |
May. 23, 1989 |
| 4830473 |
Rear conversion lens system |
May. 16, 1989 |
| 4830474 |
Variable magnification optical system |
May. 16, 1989 |
| 4810071 |
Variable focal length lens system |
Mar. 7, 1989 |
| 4770508 |
Conversion lens releasably attached behind master lens |
Sep. 13, 1988 |
| 4749263 |
Rear conversion lens system |
Jun. 7, 1988 |
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