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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/688
Name: Optical: systems and elements > Lens > With variable magnification (e.g., zoom type) > With mechanical compensation > Four groups > + - - + arrangement
Description: Subject matter wherein the plus and minus signs indicate convergent and divergent groups, respectively.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8599494 Zoom lens and image pickup apparatus having the same Dec. 3, 2013
8477429 Zoom lens system and image pickup apparatus including the same Jul. 2, 2013
8471946 Zoom lens system, interchangeable lens apparatus and camera system Jun. 25, 2013
8462440 Optical system and optical apparatus having the same Jun. 11, 2013
8456746 Zoom lens and image pickup apparatus including the same Jun. 4, 2013
8432621 Image forming optical system and electronic image pickup apparatus using the same Apr. 30, 2013
8416502 Zoom lens Apr. 9, 2013
8305429 Image pickup apparatus and image pickup method Nov. 6, 2012
8300320 Zoom lens and image pickup apparatus including the same Oct. 30, 2012
8279529 Zoom lens system, interchangeable lens apparatus and camera system Oct. 2, 2012
8223224 Zoom lens and image pickup apparatus equipped with same Jul. 17, 2012
8190011 Zoom lens system, interchangeable lens apparatus and camera system May. 29, 2012
8169533 Zoom lens system and image pickup apparatus including the same May. 1, 2012
8149516 Zoom lens with high optical performance throughout entire zoom range and image pickup apparatus having the same Apr. 3, 2012
8130453 Zoom lens system, interchangeable lens apparatus and camera system Mar. 6, 2012
8120850 Zoom lens system, interchangeable lens apparatus and camera system Feb. 21, 2012
8023814 Zoom lens system, interchangeable lens apparatus and camera system Sep. 20, 2011
8004585 Zoom lens system, interchangeable lens apparatus and camera system Aug. 23, 2011
7982971 Zoom lens system and image pickup apparatus including the same Jul. 19, 2011
7916399 Zoom lens and imaging apparatus Mar. 29, 2011
7885014 Zoom lens system and image pickup apparatus including the same Feb. 8, 2011
7817349 Zoom lens and imaging apparatus Oct. 19, 2010
7755846 Zoom lens and image pickup apparatus including the same Jul. 13, 2010
7630145 Zoom lens and image pickup apparatus Dec. 8, 2009
7626766 Zoom lens system, lens barrel, imaging device and camera Dec. 1, 2009
7589909 Rear-focusing type zoom lens and imaging apparatus Sep. 15, 2009
7532412 Zoom lens having image stabilizing function May. 12, 2009
7495841 Zoom lens and projector using zoom lens Feb. 24, 2009
7477456 Zoom lens Jan. 13, 2009
7466495 Image pickup apparatus and zoom lens Dec. 16, 2008
7463426 Image pickup apparatus Dec. 9, 2008
7184222 Original reading lens, original reading lens unit, original reading device, and image forming device Feb. 27, 2007
7161742 Small zoom lens, and digital camera and video camera both having same Jan. 9, 2007
7139131 Zoom lens system and image pickup apparatus having the same Nov. 21, 2006
7057827 Zoom lens and pickup system Jun. 6, 2006
7027236 Original reading lens, original reading lens unit, original reading device, and image forming device Apr. 11, 2006
7009780 Zoom lens and apparatus using the same Mar. 7, 2006
6989942 Zoom lens and photographing apparatus having the same Jan. 24, 2006
6987622 Zoom lens and image taking system Jan. 17, 2006
6972909 Zoom lens and image pickup apparatus having the same Dec. 6, 2005
6731434 Compact lens assembly for the teleportal augmented reality system May. 4, 2004
6674581 Zoom lens Jan. 6, 2004
6661583 Close-up attachment lens Dec. 9, 2003
6621643 Zoom lens system Sep. 16, 2003
6560016 Zoom lens and photographing apparatus using the same May. 6, 2003
6560036 Real image type view finder May. 6, 2003
6490096 Achromatic lens and zoom lens using the same Dec. 3, 2002
6459536 Zoom lens system, and image pickup system using the same Oct. 1, 2002
6285510 Zoom lens Sep. 4, 2001
6229962 Zoom lens and camera using the same May. 8, 2001

1 2 3 4










 
 
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