| |
 |
|
Class Information
Number: 359/680
Name: Optical: systems and elements > Lens > With variable magnification (e.g., zoom type) > Reverse telephoto
Description: Subject matter wherein the lens includes a negative group on the longer conjugate side and a positive group on the shorter conjugate side with the spacing between these groups being varied to vary the overall focal length of the combination.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623297 |
Zoom lens |
Nov. 24, 2009 |
| 7623305 |
Image capturing lens and imaging apparatus |
Nov. 24, 2009 |
| 7612949 |
Zoom lens and imaging apparatus |
Nov. 3, 2009 |
| 7605985 |
Projection zoom lens and projection type display device |
Oct. 20, 2009 |
| 7599126 |
Zoom lens system, imaging device and camera |
Oct. 6, 2009 |
| 7599122 |
Microscope optical system and digital microscope having the same |
Oct. 6, 2009 |
| 7593165 |
Zoom lens and image sensing apparatus |
Sep. 22, 2009 |
| 7593167 |
Three-unit zoom lens system and image pickup apparatus having three-unit zoom lens system |
Sep. 22, 2009 |
| 7586691 |
Variable-power imaging optical system and imaging device |
Sep. 8, 2009 |
| 7586690 |
Projection type zoom lens and projection type display apparatus |
Sep. 8, 2009 |
| 7580200 |
Optical zoom lens |
Aug. 25, 2009 |
| 7576921 |
Zoom lens and image projection apparatus |
Aug. 18, 2009 |
| 7576923 |
Zoom lens and image projection apparatus having the same |
Aug. 18, 2009 |
| 7576924 |
Two-unit zoom lens system and image pickup apparatus using the same |
Aug. 18, 2009 |
| 7564632 |
Projection zoom lens |
Jul. 21, 2009 |
| 7548380 |
Zoom lens |
Jun. 16, 2009 |
| 7545578 |
Image projection optical system and image projection apparatus |
Jun. 9, 2009 |
| 7545581 |
Zoom lens and projector unit |
Jun. 9, 2009 |
| 7535653 |
Zoom lens, imaging device and camera device and mobile information terminal using the zoom lens |
May. 19, 2009 |
| 7535651 |
Zoom lens and image pickup apparatus having the same |
May. 19, 2009 |
| 7532408 |
Variable magnification optical system and image-taking apparatus |
May. 12, 2009 |
| 7529034 |
Zoom lens and projector using zoom lens |
May. 5, 2009 |
| 7525738 |
Lens system |
Apr. 28, 2009 |
| 7522350 |
Zoom lens system and image pickup apparatus including the same |
Apr. 21, 2009 |
| 7522347 |
Zoom optical system and electronic imaging apparatus using the same |
Apr. 21, 2009 |
| 7522346 |
Imaging device and digital camera using the imaging device |
Apr. 21, 2009 |
| 7515351 |
Inverse telephoto with correction lenses |
Apr. 7, 2009 |
| 7508592 |
Zoom lens system |
Mar. 24, 2009 |
| 7505211 |
Photographic wide angle zoom objective of the retrofocus type |
Mar. 17, 2009 |
| 7502172 |
Zoom optical system and image taking apparatus using the same |
Mar. 10, 2009 |
| 7489449 |
Zoom lens for projection and projection display device |
Feb. 10, 2009 |
| 7486446 |
Zoom lens and electronic imaging device having the same |
Feb. 3, 2009 |
| 7486448 |
Zoom lens and image pickup apparatus |
Feb. 3, 2009 |
| 7480102 |
Zoom lens and optical apparatus having the same |
Jan. 20, 2009 |
| 7471459 |
Zoom lens system and image pickup apparatus using the same |
Dec. 30, 2008 |
| 7466494 |
Compact zoom lens |
Dec. 16, 2008 |
| 7460310 |
Zoom lens and image pickup apparatus including the lens |
Dec. 2, 2008 |
| 7460312 |
Zoom lens system |
Dec. 2, 2008 |
| 7457045 |
Zoom lens |
Nov. 25, 2008 |
| 7457050 |
Zoom lens system for use with small electronic sensor |
Nov. 25, 2008 |
| 7453507 |
Electronic imaging apparatus |
Nov. 18, 2008 |
| 7453651 |
Zoom lens and camera with zoom lens |
Nov. 18, 2008 |
| 7450837 |
Zoom optical system, imaging lens device, and digital apparatus |
Nov. 11, 2008 |
| 7450318 |
Zoom lens and optical apparatus having the same |
Nov. 11, 2008 |
| 7446956 |
Zoom lens system, imaging apparatus and method for varying focal length |
Nov. 4, 2008 |
| 7446948 |
Zoom optical system and imaging system using the same |
Nov. 4, 2008 |
| 7443603 |
Wide-angle zoom lens system |
Oct. 28, 2008 |
| 7440194 |
Zoom lens for use in projection devices |
Oct. 21, 2008 |
| 7436601 |
Two-group zoom lens and an electronic imaging apparatus having it |
Oct. 14, 2008 |
| 7426080 |
Zoom lens and image projection apparatus having the same |
Sep. 16, 2008 |
|
|
|
