Size of this preview: 640 × 480 pixels. Other resolution: 320 × 240 pixels. Full resolution (download) (748 × 561 pixels, file size: 56 KB, MIME type: image/jpeg) About File History Metadata Zheng Ji. Appears on these pages of Zheng Ji Dr. Zheng Ji (6 May 1900?—29 July 2010) was a Chinese professor, biochemist, nutritionist, and... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current02:32, November 3, 2015748 × 561 (56 KB)Pluto2 (wall | contribs)Zheng Ji. Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file. Camera manufacturer SONY Camera model DSC-T700 Exposure time 1/40 sec (0.025) F Number f/3.5 ISO speed rating 250 Date and time of data generation 10:12, October 13, 2009 Lens focal length 6.18 mm Orientation Normal Horizontal resolution 72 dpi Vertical resolution 72 dpi File change date and time 10:46, May 22, 2010 Y and C positioning Centered Exposure Program Normal program Exif version 2.2 Date and time of digitizing 10:12, October 13, 2009 Meaning of each component Y Cb Cr does not exist Image compression mode 4 APEX exposure bias 0 Maximum land aperture 3.625 APEX (f/3.51) Metering mode Pattern Light source Unknown Flash Flash did not fire, compulsory flash suppression DateTime subseconds 968 Supported Flashpix version 0,100 Color space sRGB File source Digital still camera Scene type A directly photographed image Custom image processing Normal process Exposure mode Auto exposure White balance Auto white balance Scene capture type Standard Contrast Normal Saturation Normal Sharpness Normal Read more Masao Okada (1 October 1900 - 16 March 2011) was a Japanese supercentenarian who is currently... Masao Okada Dr. Galo Leoz-Ortin (22 April 1879 – 23 January 1990) was a Spanish verified supercentenarian... Galo Leoz Silas Joseph "Si" Simmons (October 14, 1895 – October 29, 2006) was an American... Silas Simmons Retrieved from "http://gerontology.wikia.com/wiki/File:Zheng_Ji.jpg?oldid=13807" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.