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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/690
Name: Optical: systems and elements > Lens > With variable magnification (e.g., zoom type) > With mechanical compensation > Three 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 5

Patent Number Title Of Patent Date Issued
8675117 Imaging unit for wide-angle and telephoto zooming and imaging apparatus incorporating the same Mar. 18, 2014
8670187 Zoom lens Mar. 11, 2014
8611016 Zoom lens system, interchangeable lens apparatus and camera system Dec. 17, 2013
8605363 Internal focusing lens Dec. 10, 2013
8564889 Zoom lens and photographing device having the same Oct. 22, 2013
8542447 Photographic optical system and image pickup apparatus having the same Sep. 24, 2013
8526124 Optical system with long focal length and optical apparatus having the same Sep. 3, 2013
8520318 Zoom lens and imaging apparatus Aug. 27, 2013
8493666 Zoom lens and image pickup apparatus with zoom lens Jul. 23, 2013
8487987 Camera adaptor for a medical-optical observation instrument and camera-adaptor combination Jul. 16, 2013
8411370 Zoom lens and imaging apparatus Apr. 2, 2013
8390937 Zoom lens, imaging apparatus and method for manufacturing zoom lens Mar. 5, 2013
8379317 Zoom lens system, imaging device and camera Feb. 19, 2013
8325425 Zoom lens system, imaging device and camera Dec. 4, 2012
8320053 Zoom lens Nov. 27, 2012
8305429 Image pickup apparatus and image pickup method Nov. 6, 2012
8243170 Zoom lens system, interchangeable lens apparatus and camera system Aug. 14, 2012
8199415 Zoom lens system, optical device with zoom lens system, and method of manufacturing zoom lens system Jun. 12, 2012
8194248 Alignment optimization for optical packages Jun. 5, 2012
8169711 Zoom lens and image pickup apparatus having the same May. 1, 2012
8164836 Objective lens for endoscopes Apr. 24, 2012
8154806 Zoom lens system and camera including the same Apr. 10, 2012
8147096 Lighting fixture zoom device, and lighting fixture comprising said zoom device Apr. 3, 2012
8149519 High-speed zoom lens Apr. 3, 2012
8130454 Endoscope objective optical system Mar. 6, 2012
8111467 Compact zoom lens Feb. 7, 2012
8107001 Image forming optical system and electronic image pickup apparatus using the same Jan. 31, 2012
8102606 Zoom lens system and electronic image pickup apparatus using the same Jan. 24, 2012
8098960 Image processing apparatus, computer readable medium storing program, image processing method, and computer data signal Jan. 17, 2012
8081392 Zoom lens Dec. 20, 2011
8023197 Zoom lens and camera with the same Sep. 20, 2011
7978417 Eyepiece optical system and electronic view finder incorporating the same Jul. 12, 2011
7944622 Zoom lens and image pickup apparatus equipped with same May. 17, 2011
7889439 Zoom lens system, optical device with zoom lens system, and method of manufacturing zoom lens system Feb. 15, 2011
7889440 Zoom lens, optical apparatus equipped therewith and method for manufacturing the zoom lens Feb. 15, 2011
7885013 Zoom lens and image pickup apparatus equipped with same Feb. 8, 2011
7869136 Image forming optical system and electronic image pickup apparatus using the same Jan. 11, 2011
7864456 Optical system and optical apparatus including optical system Jan. 4, 2011
7864445 Zoom lens and image pickup apparatus including the same Jan. 4, 2011
7859747 Infrared zoom lens and infrared camera Dec. 28, 2010
7804652 Zoom lens system Sep. 28, 2010
7800833 Electronic imaging apparatus Sep. 21, 2010
7761005 Relay finder optical system of an single-lens reflex camera Jul. 20, 2010
7755848 Zoom lens system and electronic image pickup apparatus using the same Jul. 13, 2010
7719774 Zoom lens system and electronic image pickup apparatus using the same May. 18, 2010
7692872 Zoom lens and imaging apparatus incorporating the same Apr. 6, 2010
7679837 Zoom optical system, image pickup device, and digital apparatus Mar. 16, 2010
7675691 Zoom lens system and imaging optical device employing the same Mar. 9, 2010
7663802 Zoom lens system with vibration reduction function Feb. 16, 2010
7663808 Zoom lens, imaging device, and personal digital assistant Feb. 16, 2010

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