Description Argentina, Rió Negro, San Antonio Oeste, low tide sandy bottom, collected February 1983, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans SliekerAuthor Joop Trausel and Frans Slieker· JPG file - 47.06 kB - 302 x 402 pixels
Extra information Camera Maker: Canon Camera Model: Canon EOS 300D DIGITAL Image Title: Lyonsia alvarezi
d'Orbigny,1846 Original Time Taken: 2009:10:14 19:37:53 Time Digitized: 2009:10:14 19:37:53 Shutter Speed: 1/40 sec Aperture: f/16 ISO Sensitivity: 100 Exposure Compensation: -2 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 302 pixels Original Height: 402 pixels Orientation: 1: Horizontal (normal) White Balance: 1 Focal Length: 50 mm Focal Length Equivalent in 35mm Film: 583.16917199521