Description Senegal, Dakar, off Hann, by trawling, at 5 m depth, collected 1985, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans SliekerAuthor Joop Trausel and Frans Slieker· JPG file - 52.53 kB - 620 x 329 pixels
Extra information Camera Maker: Canon Camera Model: Canon EOS 300D DIGITAL Image Title: Glycymeris concentrica
(Dunker,1853) Original Time Taken: 2009:12:10 13:51:41 Time Digitized: 2009:12:10 13:51:41 Shutter Speed: 1/25 sec Aperture: f/16 ISO Sensitivity: 100 Exposure Compensation: 0.33 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 620 pixels Original Height: 329 pixels Orientation: 1: Horizontal (normal) White Balance: 1 Focal Length: 50 mm Focal Length Equivalent in 35mm Film: 417.85614629086