Description Argentina, Rió Negro, San Antonio Oeste, low tide in sand, collected February 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans SliekerAuthor Joop Trausel and Frans Slieker· JPG file - 46.17 kB - 291 x 425 pixels
Extra information Camera Maker: Canon Camera Model: Canon EOS 300D DIGITAL Image Title: Entodesma patagonicum
(d'Orbigny,1846) Original Time Taken: 2009:10:14 19:43:15 Time Digitized: 2009:10:14 19:43:15 Shutter Speed: 1/30 sec Aperture: f/16 ISO Sensitivity: 100 Exposure Compensation: -1.67 EV Flash Fired: No Flash Original Width: 291 pixels Original Height: 425 pixels Orientation: 1: Horizontal (normal) White Balance: 1 Focal Length: 50 mm Focal Length Equivalent in 35mm Film: 569.25428773212