Description Italy, Lazio, Roma, Secche di Tor Paterno, at 47 m depth, collected 1998, ex coll. J. Trausel. Image by Joop Trausel and Frans SliekerAuthor Natural History Museum Rotterdam· JPG file - 39.59 kB - 291 x 397 pixels
Extra information Camera Maker: Canon Camera Model: Canon EOS 300D DIGITAL Image Title: Alvania hispidula
(Monterosato,1884) Original Time Taken: 2009:09:02 00:45:01 Time Digitized: 2009:09:02 00:45:01 Shutter Speed: 1/15 sec Aperture: f/16 ISO Sensitivity: 100 Exposure Compensation: -2 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 291 pixels Original Height: 397 pixels Orientation: 1: Normal (0 deg) White Balance: 1 Focal Length: 50 mm Focal Length Equivalent in 35mm Film: 839.19133574336
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