Description Spain, Islas Baleares, Mallorca, Porto Petra, at 5 m depth, collected August 1982, ex coll. J. Trausel. Image by Joop Trausel and Frans SliekerAuthor Joop Trausel and Frans Slieker· JPG file - 42.56 kB - 308 x 404 pixels
Extra information Camera Maker: Canon Camera Model: Canon EOS 300D DIGITAL Image Title: Alvania cimex
(Linnaeus,1758) Original Time Taken: 2009:02:15 13:22:10 Time Digitized: 2009:02:15 13:22:10 Shutter Speed: 1/20 sec Aperture: f/18 ISO Sensitivity: 100 Exposure Compensation: 0 EV Metering Mode: Pattern Flash Fired: No Flash Original Width: 308 pixels Original Height: 404 pixels Orientation: 1: Horizontal (normal) White Balance: 1 Focal Length: 50 mm Focal Length Equivalent in 35mm Film: 577.18421699891